1 definition by traelsldffadlsk

When a guy's dick is loose and floppy, the opposite of erect. If you're lucky your boyfriend won't try and slap you in the face with it.
Chip: hahahha, i'm gonna slap you in the face with my flacid penis!!!!

Phillis: haha bet you won't!

Chip: *whacks her in the face*

Phillis: .....did that really just happen
by traelsldffadlsk January 19, 2012
Get the Flacid mug.