Phallusaurus

This is a dinosaur whose head resembles that of a penis. It is basically a cross between an allosaurus and a penis.

Oh my god....that phallusaurus is coming right for us

Phallusaurus by Mahnahmahnah March 16, 2004

phallusaurus rex 

A massive penis, bigger than a doppelganger. The actual length of the phallusaurus rex cannot be measured, but when a person sees one, they know it is one.

'Your giant knob is nothing compared to my phallusaurus rex'

phallusaurus rex by JoelyBoy December 4, 2007

Phallusaurus Sex 

An extremly verile character whose sexual prowess is second to none. Usually possesses a brontosaurus-like phallus which is used to spread his seed. Commonly known as a Mr. Brown.

"Oh you are quite the Phallusaurus Sex. You sexual prowess in invigorating. You should plant your seed in my loins. We shall spawn."

Phallusaurus Sex by Chad Davis May 17, 2006