Top Definition
when a girl has an orgasm that is similar to smashing a watermelon over her head
Yo, howd it go last night. . . . . .
Bro, i brought that girl back to my place and served her a gallagasm........Yah, she was knocked out with juices dripping everywhere
by Gallagopher August 19, 2007

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.

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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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