Usually used by freshman in highschool to annoy the upper class men. The actual meaning of soump is, "Look who's talking" and is generally a comeback to an insult.
by Hank East December 11, 2011
A word used mainly by faggots. It means absolutely nothing and is often used in rebuttal to an insult, because the user is too retarded to think of anything else.
Person 1: You suck your Dad's dick!
Person 2: Soump!
Person 1: That's not even a word, you're retarded.
Person 2: Soump!
Person 1: That's not even a word, you're retarded.
by Soump Salad with xtra Swamp June 07, 2011