Similar to the word 'Gangbang,' a Gangpang is a situation where two or more lovers make love by forcing out their excrements from last night's dinner of $5.46 hong kong kailan. Very intimate. And very disgusting.
"Let's gangpang to celebrate your birthday."
"Yay! I love-"
*poot poot*
by ACTethx December 15, 2020
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