a penile erection that is unrelenting and occurs at an inappropriate time.
He knew he would be teased for the rogue boner he got while showering in the locker room.
by khungus December 06, 2013
1 more definition
An erection that happens unexpectedly and spontaneously.
Jimmy experienced a rogue boner while lying on the beach.
by IWatchBuzzFeed July 12, 2014