When someone on the internet who is a stranger brags about their accomplishments that mean nothing at all.
person 1-How many concerts have you seen? I've seen 100!
person 2-How does this matter? It's pointless dicksizing.
person 2-How does this matter? It's pointless dicksizing.
by Mr. X October 15, 2008
A method by which females try to pass off as males on the internet by referring to the length of their nonexistent dong.
They were being highly sexist in the chatroom and I just wanted some help with the flash game, so I used a dicksize disguise.
by EclecticBass September 3, 2010