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.
by Fitzmuenster April 24, 2010
That little feeling in your member when you're sitting next to the girl/boy you like. Often experienced in middle school when sexual desires aren't fully realized yet.
by cpatpan July 23, 2016