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.
ayon kay Michele Thomas ika-15 ng Disyembre, 2007
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.
ayon kay dingleberry stew ika-29 ng Oktubre, 2010