Standing around pretending/imagining that you are doing something, when you are actually not.
(At a car wash)

Guy1: Why is he taking so long to wash my car?
Guy2: He's just standing there with the windex in his hand.

Guy1: Let me ask him.

Guy1: What are you doing?
Duckbiller: I'm doing your windows!
Guy 2: Why, he's just duckbilling!
by Pussybasher69 May 25, 2013
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To smoke a joint when it is down to the roach, since you have to stick out your lips like a duck's bill to hit it.
Yo man, you might get another hit off this, but you just gotta duckbill it

Hey man, you might get a couple more duckbill hits off this, just don't bogart it man.
by M Rockwell August 27, 2006
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People look upon my duckbillness and say, "Wow, if only I was as duckbill as him"
by Alan April 22, 2005
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when you are texting on a droid and auto complete fucks your text up and enters that....
Sender: Duckbill
Recipient: WTF!?!?!?!
Sender: Autocomplete...
Recipient: Gay haha
by Fuck your face hard April 28, 2010
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Dr.Hartwells prize winning medical science research group
duckbill platapus have a venomous gland on there back right claw
by Dr. Hartwell March 23, 2005
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a derogatory term for any fratboy wearing a hat with their frats symbol either forwards or backwards.
person 1- hey is that a rare breed of duckbilled fratapus?
person 2 - no they're quite common and range across college campuses all over the country.
by landbear February 09, 2011
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