look up any word, like fellated:
 
1.
When a party is so bumping, it becomes the bumpinest party around. Also used to describe a state of elevated coolness. Sometimes confused with the term ballin.
"this party is the effin bumpinest but i gotta effin split"
by AllyDub March 04, 2008

Words related to bumpinest

awesome ballin balling cool coolness hopping sick