(idiomatic, slang, somewhat vulgar) To be on the hunt for a (usually sexual) partner.

(surfing) A deck grip pad at the rear (ie. tail) of a surfboard, for the surfer's back foot to stand on.

Alternative form of ponytail

The conducting of retail business via electronic media, especially via the Internet

(idiomatic) To turn away from someone or something, in preparation for running away; to reverse direction; to leave or flee.

(programming) Employing tail recursion.

(programming) The technique of writing a function so that recursive calls are only done immediately before function return, particularly when recursive control structures are used in place of iterative ones.

(nautical) A block having a rope about it, and on an end hanging several feet from it.

plural of tail pad

A one of two species of frogs in the genus Ascaphus, distinctive by virtue of having what looks like a tail.