fahanathon 

chillin for 10 hours, running for 3 hours, and going to bed early

im going to pull a fahanathon today.

fahanathon by tjfor3 July 27, 2010

Flanathonopus 

Someone who studies the inside skin of your asshole and then proceeds to tongue punch your fart box.

Man that guy is such a Flanathonopus

Flanathonopus by Slapme bolls September 28, 2021