suche ein beliebiges Wort, wie swag:
 
1.
the gagging sound exerted when a dick is shoved to far down the mouth.
I was getting a wicked blow job from this whore this morning and i grabbed the back of her hair and gulched the living shit out of her.
von w-body 25. August 2008
 
2.
A form of burp, which also accompanies a small amount of sick.

As it is a small amount, you generally swallow the sick, therefore you are 'gulching'
"Are you alright pal?"

"Yeah no worries, was just a gulch"
von GulchGirl123 5. April 2014
 
3.
To puke on your partner while having sex, and to lick it up.
-Ew, why did you puke on me?
-Im just gulching...
von tourettes1992 19. August 2006
 
4.
The area between the anus and the crotch. Usually rife with unkempt pubes.
I can't believe you've never shaved your gulch, that's terrible!
von lmnt 4. Juli 2004