Top Definition
When you go at least a week without shaving or combing your hair. You dress completely like Shit and look just out right awful. Then just before a big get together or meeting up with a girl you like, BAM!! You clean up real nice. The contrast from before and after makes you seem so much nicer.
John: Dude, you look like shit, You goin to that party lookin like that tonight?
Mike: Nah man, I'm goin for The BAM Effect
by TreeBobJoe November 08, 2009

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).

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the effect one gets when, say, a hot girl turns to you, and BAM! he falls in love with you.
Katherine turned to me the other day and it was like BAM! Total the BAM effect moment.
by scandalousnerd September 08, 2011

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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