If you felch someone, your sucking your cum out of their ass using something like a straw
Originally meant "to eat shit" but has been expanded in recent decades to include eating semen from a vagina or anus.
Some people are sexually aroused by felching when a partner defecates into their mouth.
When a person rectum is filled with cum and they fart.
John took it in the ass real good. Cum was dripping from his ass till he felched it out!
After cumming on anus hard after anal sex, the top partner licks the cum off bottom partners ass.
After fucking you, I’m gonna felch all over you till you cum again