2 definition 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

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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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