Extended practice of throat fucking. You slide your dick down your partners throat (usually a girl) just like normal throat fucking, but when she has to gag you dont stop you keep going until she has to vomit and even then you don't stop pounding her throat, till nothing more comes.

Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.

When you fuck someone with puke covering your dick/finger.

Probably not popular porn wise, but I just got it from Lucifer Valentine, who's probably dead. Rest in peace.