Definitions by treetop1331

fumpdumpster 

when someone is giving you a blowjob and they take they're mouth out and sneeze and it is the combination of sneeze and sperm and it explodes!

some guy "wow did you hear about stan and his masive fumpdumpster
other guy "yea I heard that was terrible!

fumpdumpster by treetop1331 June 23, 2011