2 definitions by sjin

Top Definition
The rocks or spots of bare ground that appear when a ski-slope gets worn out from over use, or excessive basting.
Watch out for those bifters!
by Sjin June 18, 2013
Inserting your flaccid penis into someones anus, then make it slowly erect whilst inside.
Hey, i just bumbooed a girl last night, i didnt realise how hard bumbooing would be.
by sjin April 12, 2013
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