mare

By one's legs and feet, used for walking; by foot. A reference to the shank—the lower leg between the knee and the ankle—and the use of ponies or horses for travel. (Also written as "shanks' mare.") My bicycle fell apart three miles away from home, so I had to go the rest of the way by shank's mare. Unfortunately, with the sedentary lifestyle many lead today, travel by shank's mare has largely become obsolete. It'll take us forever to get there by shank's mare! Can't you give us a ride?

To travel by foot. A play on the "shank" (the lower leg between the knee and the ankle) and the use of ponies or horses for travel. An adverb of place can be used between "go" and "by" to specify where one is traveling. My bicycle fell apart in the middle of nowhere, so I had to go home by shank's mare. There aren't any roads out here in the countryside, so going by shank's mare is the only option. It'll take us forever if we have to go by shank's mare! Can't you give us a ride?

A difficult, complicated, or confusing situation. The tax laws in this country are a mare's nest that nobody fully understands.

The worst, most detrimental thing that could possibly happen. Losing one of our sponsors at a time like this would be a nightmare scenario for the company. The loss of Tom's salary created a nightmare scenario for us in the face of all our outstanding debt.

old-fashioned Something or someone that is aged, obsolete, or outdated. An allusion to the folk song "Old Gray Mare," especially its opening line: "The old gray mare, she ain't what she used to be." It's (rare) modern use is usually somewhat derogatory. It may not have fancy apps or let me surf the Internet, but this old gray mare is still the only phone I need. I may be an old gray mare, but I still know how to get up and cut a rug on the dance floor.

To walk. "Shanks" refers to one's legs. The store is close enough that we don't need to drive, we can just ride shanks' mare.

One's legs and feet, used for walking; travel by foot. A reference to the shank— the lower leg between the knee and the ankle—and the use of ponies or horses for travel. (Also seen as "shanks' mare.") My bicycle fell apart three miles away from home, so I had to use shank's mare to go the rest of the way. Unfortunately, with the sedentary lifestyle many lead today, shank's mare has largely become an obsolete mode of travel.

old-fashioned Something or someone is aged, obsolete, or outdated. The phrase comes from the opening line of the folk song "Old Gray Mare." Its (rare) modern use is usually somewhat derogatory. Man, that's a terrible sound coming from my car. I guess the old gray mare ain't what she used to be. A: "What happened, Mom? You used to be a great dancer." B: "Well, the old gray mare ain't what she used to be!"

An ancient torture device involving a wooden horse, typically used for military punishments. I was so terrified of what my parents would do when they found out I'd failed my exam that I had visions of them making me ride the wooden mare.

Fig. by foot; by walking. (Shank refers to the shank of the leg.) My car isn't working, so I'll have to travel by shank's mare. I'm sore because I've been getting around by shank's mare.

Fig. travel on foot. You'll find that shank's mare is the quickest way to get across town. Is there a bus, or do I have to use shank's mare?

On foot, walking. This quaint expression dates from the second half of the eighteenth century, the shank here alluding to the leg. Also put as to ride shank’s mare, it continues to be used, although it may be heard less often. The Cleveland Plain Dealer had it (Oct. 26, 1974): “The people who came to the Barons-Rangers game that night long ago came by streetcar and bus and by shank’s mare as well as by auto.”

The passage of time. A folk song attributed to Stephen Foster and supposedly referring to a 19th-century harness-racing horse named Lady Suffolk begins, “Oh, the old gray mare, she ain't what she used to be . . . Many long years ago.” Unkind people used the image to refer women “of a certain age” (or older), although when used by themselves about themselves, it has an air of self-deprecating resignation. For example, a middle-aged woman who leaves the dance floor short of breath after a vigorous jitterbug may wipe her brow, reach for a cold drink, and exclaim, “The old gray mare ain't what she used to be.”

Walking. “Shank” is another word for shinbone. By extension, its use in the phase refers to our legs. “Mare” here is equine transport, and when we walk, we “ride” on shank's mare.