Top Definition
Someone who continuously one-ups someone else.
On the show "The Price is Right", when someone bids 600, there's always somebody who has to bid 601. "I just adopted a dog from the pound." "Well I just rescued a whole litter of puppies from the sewer." "Dude, don't be a 601-er."
by Nicoliosis April 14, 2006

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One of those people that always try to one-up you (named after those pesky folk on "The Price is Right" who always outbid their opponants by $1)
... and then she's all, "well my car gots chrome rims AND tinted windows." And I was like, "601er best be gettin' outta my face."
by elsenore July 14, 2003

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

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

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

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