Similar to a puffy anus. An anus that's shaped like a big donut.
"did you see that bloke's undercarriage?"
"No, was it hot?"
"Yeah! He had a donut anus and everything. It was all puffy."
Someone who has a lot of anal but hasn't had it in a while so their anus in run down. Or old people having anal in a rusty bed and you can hear it
"Upon Gerald's arrival at his Nanas nursing home, he walked in on his nana having rusty anus sex with her mate."
When you bleed out of your ass
Hey Paul, I had too many hot wings last night and now I’m having an anus period!
The act of sucking in air via the butthole, and forcefully expelling the air out of the anus in the form of a fart. The buttocks is normally raised in the air during the process and excessive anus burping may result in sharts.
Look at that guy anus burping.
A theory that describes that you can never be certain that you yourself have ever shat if you haven't seen your own anus while shitting.
"As long as one has not seen their own anus shit, one can never be sure that they have ever actually shat in their life. Which is described as Schroedingers Anus"
When your farts are so violent they sound like an A-10 over your friends mic.
Aiden: He dude
Friend:Yeah?
Aiden:(farts so hard his ass hurts)
Friend:the fuck was that anus blaster