1 definition by rantnrave

To engage in a unique or experimental form of masturbation.
"What's wrong with Jon?"

"He was humping the cube last night and his mom walked in. He won't cop to the details."

"Was he using something of hers?"

"I don't think so but he says he can't look her or his dad in the eyes."

"Too bad, that's messed up."
by rantnrave April 18, 2011

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