Oompa Blumpkin 

A girl and or miget that dresses up as a Oompa-Loompa and gives you a blumpkin. Or a real Oompa-Loompa that gives you one.

Adam's Girlfriend for halloween dressed up as a Oompa-Loompa and gave him a Oompa Blumpkin.

Part of the Oompa Blumpkin song

What do you get when a Oompa guzzles down your cum
While something long and brown comes out of your bum

Oompa Blumpkin by Hollowzero April 11, 2008