an act in which your arm sticks straight out, thus making your elbow un-flaccid: an elbow boner, short for elboner. Similar to a kneerection, which incorporates your leg.
by rnoonrnaoac March 31, 2008
by Chipping Woodlet III April 22, 2006
To fuck a girl with your elbow.
by Homer Carpenter June 12, 2009