When you take off your pants and whip your schlong out, sneak up behind someone, pants them, then stick your penis in their butthole.
Damnit! Rachel just gave me a wankerdoodle... again. I knew she had a penis.
by Rachel Martinez November 27, 2006
A large penis with no hair.
Omg last night my wankerdoodle was so all up in her poontang.
by Roo Is Awesome January 23, 2011