A simple but effective means of describing a male human who is badly endowed with a small, pointy knife-like phallus, however has all sorts of extra useful functions, taking a practical, positive approach to pleasuring a female human despite his size.
"But I can assure you, I wouldn't describe mine as a pocket knife!"
by feral the ksutra August 31, 2008
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An individual that looks and acts tough, but is actually a pushover.

A bully or poser
"That Gas Station Pocket Knife started a shove match with a waiter for getting his girlfriend's order wrong, but he started crying after the waiter threw a punch."
by RalphTheWanderer October 7, 2022
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