Top Definition
An attempt to masturbate to ejaculation while on a recreational dose of dextromethorphan, characterized by being damn near impossible, few have successfully completed the challenge, those who have deserve an extreme degree of respect from their peers
Ben completed The DXM Challenge on his second attempt, making him a local celebrity
by w1n5ton0 October 17, 2011

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

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The Urban Dictionary Mug

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Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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