Bum Tunnel

The term used when two people of any sex create a tunnel by pressing their bare bum cheeks together, usually for the purpose of a third male party to insert their penis for sexual pleasure.

“Ryan rang at lunchtime to invite Mike and i round tonight for a bum tunnel and a curry”

George “Would you like my wife and I to bum tunnel you?

Me “no”

by Leviathan Porkchop June 25, 2021

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Tunnel Monkey

A term used to describe homosexual black men.

"When I was at the club last night, there was this group of tunnel monkeys who kept trying to get at me the whole time."

"Don't drop the soap, or the tunnel monkeys will get you."

by angerdog January 20, 2014

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rainbow tunnel

The sexual act of putting Skittles up your partner's anus and eating them one by one as they come out.

Bob: I just tried a rainbow tunnel with my girlfriend!
Chris: Could you taste the rainbow???
Bob: Among other things...

by Redheadedone October 16, 2014

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Quantum tunneling refers to the phenomenon in quantum mechanics where a particle has a finite probability of crossing through an energy barrier or potential barrier despite lacking the necessary energy to overcome it based on classical physics. This behavior arises due to the wave-like nature of particles at the quantum level. Quantum tunneling allows particles to "tunnel" through barriers, enabling them to reach regions that would be classically inaccessible.

"In quantum computing, qubits can exploit quantum tunneling to tunnel through energy barriers, facilitating more efficient computation processes."

by F L P May 16, 2023

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