vt to steady or guide with a guy.
2. guy ·noun a person of queer looks or dress.
3. guy ·vt to fool; to baffle; to make (a person) an object of ridicule.
4. guy ·noun a grotesque effigy, like that of guy fawkes, dressed up in england on the fifth of november, the day of the gunpowder plot.
5. guy ·noun a rope, chain, or rod attached to anything to steady it; as: a rope to steady or guide an object which is being hoisted or lowered; a rope which holds in place the end of a boom, spar, or yard in a ship; a chain or wire rope connecting a suspension bridge with the land on either side to prevent lateral swaying; a rod or rope attached to the top of a structure, as of a derrick, and extending obliquely to the ground, where it is fastened.