(CAT•chup•KWEEF) n. the audible phenomenon that occurs when a squeezable catsup bottle expels air and condiment, resulting in an unpleasant and embarrassing mess.
"hey g-friend, what's that on your hoodie?" "emma and me were at mickey d's for lunch, and she totally blew a ketchup queef all over the table!"
by SAMMER OF THE GODS June 11, 2008