A term used in New Orleans to refer to the plastic cups given by bars to their patrons so that they might take drinks off of the premises, as in to-go drinks or at closing time.
"It's closing time, guys. Want your beer in a go-cup?"
by eViL pOp TaRt February 10, 2006
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A plastic cup like vessel used for urination when access to a toilet is impossible.

Can be any cup, though there are cups sold specifically for this purpose.
Dave peed in his Big Gulp and threw it out the car window. He needed a go-cup badly and it sufficed.

Gimme a go-cup dude, Im about to explode.
by Immortal Yawn October 7, 2011
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a cup used to hold any beverage that one may take with them while they are out and about/while they are on the go
"Mom gave her child a go-cup in case her child got thirsty in the car"

"We all had our go-cups when we went hiking the new trail"
by DazzDeLaMorte March 14, 2007
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Using disposable paper coffee cup and lid to transport your beverage of choice...usually bl lime, white wine, extra spicy bloody marys or whisky/waters. A sneakier version of the flask, to go cups make daytime/public drinking okay...at the mall, on the bus, at work or on your way to da club, everyone just thinks its coffee! Invented by an ultra-trendy couple in Seattle's International District. It is advised to purchase cups and lids at Costco, as it is always smart to have plenty on hand.
Amy: Babe, we need to get on the road, your parents are waiting.

Kevin: Chill out babe, I am just getting our to go cups together.

OR

Kevin: Okay everyone, cabs here.

Amy: Everyone, grab your to go cups. I put your names on them.
by Bubba Linda October 16, 2010
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When you cheap out at McDonald's and order a water with your double cheese burger and the cashier hands you a soda cup instead of the standard 6oz water cup.
Ken: Sweet I got the go ahead cup, now I can wash down the grease from the cheese burger with some coke.

Jeff: yo Ken, you are Ghetto Rich.
by DB in MO August 24, 2008
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