When two people cup their assholes together and then fart. It is only complete if you make the other person burp.
D - "Bruh, me and Jarred did the Polish Trumpet last night! He has a stronger colon than me, he made me taste my lunch and his breakfast"
C - "Bruh."
The act of shitting the bed and having sex in it.
"Honey, it's such a nice day, the kids are at grandma's. Do you want to have a danish picnic?"