The occurance of male arousal caused by the engine vibrations experienced when travelling aboard a bus.
by Mr Pinhead August 30, 2007
A term you use when you take public transportation and your partner sends you a naughty text or picture and you get a hard on!
I was on my daily commute this morning and my wife sent me some nudes..I ended up getting some serious bus-wood!
by Hom2436 January 25, 2018