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!
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.
A highly energetic person who refuses to stop talking to you. Chances are they sit beside you, or actuallymove their desk over to talk to you. This person is usually fat.