Top Definition
The act of firmly pressing your erect penis into inanimate objects (e.g. a mattress, window, or door jamb) for the purpose of quenching desire or instilling fear and intimatidation into others.
Alex got so excited he started boner crushing the window at Rob's office much to Rob's shame and secret delight.
#erection #boner #wood #excitement #cock thumping
by Fitzmuenster April 24, 2010
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