A fat ass boy/girl; an ignorant name for someone you don't like very much.
That girl is a chumpa. Look at her rolls.
מאת Michele Thomas 15 בדצמבר, 2007
1 more definition
when a man is fat as fuck and the 2 or 3 chins he should have form into a "fumpa" where his neck should be. it is also known to occur in women, but is less common.
מאת dingleberry stew 29 באוקטובר, 2010