Someone who's head works like a male reproductive organ. During sexual excitement the head increases its size and ejaculates.
That dickhead is an impotent.
di LXXXE 18 marzo 2004
someone who has a dick attatched to their head.
di jessicA newell 24 maggio 2004
One who's head resembles a penis.
That neo-nazi over there is a dickhead.
di GoodfellaSnoop 31 ottobre 2004