Right after your ass fucking someone you pull your dick out and lay your balls on their gapping asshole.
Mark came home to Manahawkin opened the door to find the Manahawkin Manhole Cover happening in his bedroom right when his friend was covering his girlfriends ass with his balls
by NORATS July 12, 2017
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To drop the ball on a task, or to fail entirely at an assignment. Or to have done way, way, way too much cocaine the night before.
I can't make it in to work today because I fell through the manhole cover this last night like a total bone head.

Billy! Where's my report?!?! You fell through the manhole for the last time... you're fired!
by urban1983 December 8, 2010
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When someones becomes so large and wide they resemble a manhole cover.
1. "Wow! I haven't seen Tricia in a while. What happened to her?"
"She's a manhole cover now, totally blew up!"
by Frump Fester May 10, 2018
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Putting a coin in your foreskin effectively cover your tip
Today I used a toonie as a manhole cover.
by Leak My Nut February 9, 2021
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