Origin is unknown, perhaps a bastardisation of "the cook's walrus", which was an often used phrase amongst pirates in the 17th century Caribbean, or perhaps it originated from the Internet Comic entitled Urban Myth.
"You, my friend, are a complete and total cockwalrus."
When a lady has a mouth full of stuff after giving a BJ, suprise her with a quick jab to the stomach forcing the contents out and down her nostrils... forming 2 bubbly off-white tusks.
Hey Bro, your lady talks a lot... she'd look good as a cockwalrus tonight!
one who sucks/takes in extremely large dick, like that of a walrus'
Stop being such a cock walrus.
Al Gore has the capabilities of a cock walrus.
A highly energetic person who refuses to stop talking to you. Chances are they sit beside you, or actually move their desk over to talk to you. This person is usually fat.
STFU Korg, you are a cockwalrus.
1. A walrus that has penises in place of tusks.
2. An insult used for a person who attempts to be dignified, but fails.
Pat: Man, Tom always tries to be cool, but he just goes around like he's got two giant dicks coming out of his mouth.
Adam: Yeah, what a cockwalrus.