Top Definition
the feeling you get right before you take a shit and you know its gunna be a big one cause its expanding your intestines. thats a grobus. see also coolnerd15
arggggggghh! beeeeeaahhhhhhhh! puff! plop!

that arggggghh involved a grobus.
by allhailkingme January 13, 2005

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(noun) (1) Someone or something that does well in many different circumstances. Someone or something of high utility. (Derived from great + robust).
"That sh$t is a grobus!"

"That girl is amazing, she's a grobus."
by justincredible008 November 05, 2012

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Lotsa space for your liquids.

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Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt