felatiating 

Giving felatio (blow job) to another person.
also: felatiate

Me and the chick were felatiating in my car ALL NIGHT

felatiating by WordInventorSUCKIT April 5, 2010

fellatialingus 

The combination of fellatio and cunilingus performed simultaneously. Or simply put, 69.

Last night, my woman and I decided to do a little fellatialingus. I love when she bobs my knob while I eat her kitty.

fellatialingus by Adam The Dude February 1, 2008

filatiating 

(verb) The act of inflating someone's shitty ego for personal gain.

That nazis love Trump is right up there with republicans criticizing Biden for not filatiating actual and aspiring fascists Vladimir Putin, Xi Jinping, and Kim Jong-un.

filatiating by monkey3029a March 24, 2021