furp 

The sound a fart makes when you've been holding it too long and it reverses back up the colon and into the gut. Eventually it may emerge as a 'bistulum' (ass scented beltch).

I clentched hard and furp(ed) loudly only adding to the confusion within the lift.

furp by RAFFO November 2, 2003

Furp 

N.- A fart burp hybrid created when one person burps into another persons asshole and it comes back out as a fart.
V.- The action of passing the hybrid burp/fart gasses of a furp through your asshole.

1)Hey bro! Burp in my asshole so we can make a furp!
2) Burp in my asshole so I can furp in your face bitch.
3)Somebody burped in my asshole a few hours ago and I really need to furp.

Furp by Anonymous757 March 16, 2013

furp 

A burp following the consumption of fish or fish oil capsules.

"Oh, got the furps. I need to stop taking that omega 3 crap."

furp by Awesomes007 September 14, 2006

Furp 

When you erupt from both sides at the same time.

Person 1: I just furped.
Person 2: What the fuck.

Furp by edp4452 July 28, 2020

furp 

when you fart and burp at the same time

"Man! After you said that I let a furp out!"

furp by johnny woo June 21, 2007

Furp 

To almost burp after eating but the burp goes back inside and does not become a burp after all, so the burp fails.

Andy tried to burp, but he ended up just to furp that.

Furp by True1 April 15, 2009

Furp 

(ferp) Noun. The process of holding in a fart and it backfires back into your intestines to be expelled with even greater force.

Man, I just furped. Everyone has 3 minutes to clear the room!

Furp by Füktard January 29, 2009