A sound effect often used in comic books during combat. Because of the widespread usage of remp, associated with fighting, it is sometimes used as a verb to describe certain attacks.
*Batman punching Mr. Freeze* <REMP!>
(Spiderman after getting pummeled)
"Ooph! I think I remped my buttflap"
(Spiderman after getting pummeled)
"Ooph! I think I remped my buttflap"
by Napalm-99 February 12, 2016