Soaking a small Elmo doll in water and freezing it inside of a condom. Once frozen, it’s inserted into the anus.

Coined by Jeff at Adolfo’s house in 2019.
“Dude, come over and give me an Elmo Pipeline.”

“Sorry bro, I would, but my Dad won’t let me out of the house after the Grover Pipeline from last week.”
by 128ozofwater July 7, 2019
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