Top Definition
When you can't get hard because you are so high. Analogous to whiskey dick, but through the use of marijuana.
"Dude that chick was blowing me last night, but too bad I had bong dong."
"Man, that sucks. She was hot too."
by 24Ebok8 May 09, 2009

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Verb; To take a hit from a bong, and immediately suck a dong.
'Dude, she totally bongdonged me'
'What's bongdong?'
'You know when a chick takes a hit from the bong and blows you off'
'Oh, like what you're mother did to me last night?'
'Dude... why do you have to ruin it everytime?'
by Dee$ February 05, 2009

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When you can't get a boner because you're so fucking high.
Sweetie, it's okay! It happens to every guy.

No, I'm telling you, it's just bong dong!
by GayBlaine October 09, 2014

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An impliment used by druggies while having sex. Specifically a dildo that can be used as a bong simultaneously.
"I wanted to take a hit while I was getting laid last night, so instead of just using a dildo, I fired up the Bong-Dong."
by OysterCultist January 03, 2010

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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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