To have bestial sex with a sheep. Aka, to rape a sheep.
Sometimes, when Mark goes to his father's farm, he has to Fwampi Martha the old sheep.
by Eileen V August 06, 2005
To brutally rape an inanimate object. >>; I didn't make this up, either.
To everyone's disgust, Erica fwampi'd a chair. Ew. She should be shot. D:
by Lyktotally February 17, 2005