Definitions by Harumi Shizen

Walrusing 

1) To walrus.

2) Making the sound of a walrus.

Walrus: "Chhk-chkk-chkk!"

Person 1: "What is that walrus doing with its tusks?"
Person 2: "It's walrusing, of course."

Walrusing by Harumi Shizen February 19, 2011

Tusking 

1) To tusk. (Also see Walrusing.)

2) Onomatopoeia: Chkk-chkk-chkk

3) The action performed by a person with their index fingers in front of their mouth as if they were tusks, followed by the sound "Chkk-chkk-chkk".

Walrus: "Chkk-chkk-chkk"

Person 1: "Hey, that walrus is tusking! I can do the same thing! Chkk-chkk-chkk!"

Tusking by Harumi Shizen February 19, 2011

Chkk-chkk-chkk 

1) Onomatopoeia of the sound a Walrus makes when it's walrusing/tusking.

Walrus: "Chkk-chkk-chkk!"

Chkk-chkk-chkk by Harumi Shizen February 19, 2011