Top Definition
It just means "no problem". People add "bob" because it rhymes with prob. Earliest usage can be found in the sit-com "Family Matters".
"Thank you, Steven!"
"No prob bob"
"It's.. Lapis."
by Shoken April 21, 2016

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an extremely annoying phrase used by zurbans, that conveys mutual trust and sympathy.
Zit 1: "hey Eric can you help me with your magic sword +1? we must defeat the black dragon!"

Zit 2 : "No prob Bob!
by heythewhat January 08, 2012

The Urban Dictionary Mug

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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.

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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