cari istilah yang lo mau, kaya' blumpkin:
n. The unknown/undiscovered internal organ that hurts when kicked, punched, or tampered with.
Dude, you just hit me in the gurnum!

My gurnum is killing me!

It was all going well, until the whore bit me in the gurnum.
dari RWT Rabu, 23 Maret 2005