When two people are discovered engaging in sexual intercourse and the person who discovers them decides to join in.
Upon accidentally opening the bedroom door during a party and discovering two other guests hooking up

"Whoa! Can I get a piece of this panna cotta?"
"Hell yeah, tag you're it!"
"Panna cotta!!"
by Jeninche March 23, 2014
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a man who is sweet and tempting but Flaccid, suffers from EDD but refuses to admit it. Often used to describe middle aged, divorced white guys who can't get it up.
"Antony is so sweet but he's Panna Cotta in bed"
by DEPOSITRON December 14, 2021
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An ass that is (like a panna cotta) silky, smooth, shapely and has a perfect jiggle, however, (like a panna cotta) has a serving size that is unsatisfying.
"Wow, Julie is flawless."
"That's what you think... unfortunately she has a panna cotta ass."
by Tired_Creature March 3, 2020
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