- Andy, I'm going to leave in charge of this place when I'm gone, so they send you in prison instead of me.
- I call foul, sir.
- I call foul, sir.
by NativeSpeakerNoob February 8, 2021

The foul tongue is a sex move where both participants perform cunnilingus on each other's rectums, then proceed to French kiss.
If there is feces on either participants tongue, the sex move transfers into "The tarnished tongue".
If there is feces on either participants tongue, the sex move transfers into "The tarnished tongue".
"Jeffrey, might I say, I was having the most lovely time performing cunnilingus on Sarah the other night, but she asked me to perform 'The Foul Tongue'! I felt sick to my stomach so I couldn't...quite unfortunate"
"Ah quite unfortunate Robert, however you see, I performed it the other night on Abbigail and she had brought feces up from my rectum! Quite 'The Tarnished tongue' I had experienced."
"Ah quite unfortunate Robert, however you see, I performed it the other night on Abbigail and she had brought feces up from my rectum! Quite 'The Tarnished tongue' I had experienced."
by AbsoluteWarlordGamer April 1, 2022

by glargy August 3, 2016

"Bro straight up, I got, I got a, I got two cases of twenty four wa-. I got TWO with twenty four, I got two cases of twenty four water.... for four bucks. For FOUR fuckin bucks! Ay count that, put that in the bin and the foul alright! You hear that? Put that in the bin and the foul. Four bucks for forty eight bottles of fuckin water!"
by Riteasrain September 24, 2021

To perform an activity that is considered nerdy, but in a fashion that is considered improper or incomplete to other nerds.
You made a Princess Bride reference by saying "You killed my father. Get ready to die." That's a nerd foul.
by Clint Memo September 11, 2020

Something that is not right in the mix. The story being told doesn't match up to what actually occured.
by thesuperior1 August 29, 2012
