Top Definition
When the penis becomes so hard it ejaculates prematurely. Without any previous stimulation other than the hot girl in the desk front of you.
"Man Cassie was grindin on me it was so hot there was an erectisplosion in my pants"
by Oh Balls November 28, 2008

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary 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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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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