When someone goes on urban dictionary and adds a really rubbish definition for something no-one cares about at all.
"Z3: Coolest bmw sports car"
by LewistheGreat August 24, 2005
Synonym for asshole, esp. in sexual context.
Take my big uncut dick up your crapper.
by The Crappresses July 15, 2011
the muscles on the sides of your ribcabe and under your armpits that flex when u take a dump.
i was taking a dump one day and i looked over into the mirror and i saw that these muscles were flexing.
by Jay May 10, 2003