When you are running to the toilet with poo half out of your bum and you're squeezing your anus to get it back in.

Like a turtles head half out of its shell.
"Oh my God, I got to go to the loo; I'm turtle popping!"
by Carnthepear August 8, 2015
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When you do a girl and she poops a little
I made Samantha turtle pop last night it was awesome
by Whiskeycowboy October 28, 2017
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