Definitions by B'Jackoff
IUP
natch
Literally, from or of the rump. Originally used as a meatpacking term. Can be used to substitute any form of a negative word.
nade
When your best friend brings his hot girlfriend to the party and that hot girlfriend brings her fugly friend. The fugly friend is referred to as the 'grenade' or 'nade for short. This nickname is derived from the concept of jump on the grenade.