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4.
A hick city in southwestern Ontario. Basically a typical middle-class town full of white people and the occasional crack head. People have heard of it but no one really knows exactly where it is.
Toronto boy: So where you from dude?

Guelph boy: Guelph, eh.

Toronto boy: Is that up north?
by wonderboy23334 January 01, 2011
 
1.
Verb usage of the word: slang term for vomiting. The only condition is you absolutely MUST be intoxicated when you "guelph"
"what's wrong with Tyler?"
"Typical...he had too much wellington's, had sun-sun's and then guelphed all over the place"
by Sperdoj October 08, 2006
 
2.
Similar to a girl queefing, a guelph is when the penis of a man releases air out of the meatus of the urethra, making a soft "fart-like" sound.
Dude, so I was sleeping with this chick, and after 3 minutes, I guelphed. I was so embarrassed I had to stop.
by 447 Grove St. December 01, 2013
 
3.
When a person is on the toilet, performing the act of number 2, the day after a long night of drinking.
Man, I'm guelphing hard today, we drank a shit load last night.
by mdamda0808 April 10, 2011
 
5.
When one burps and throws up in one's own mouth at the same time. similar to the romanticized "shart".
the appearance of your wife concluded in me guelphing in my own mouth
by quinny626 October 21, 2010
 
6.
A word that predominantly is used to substitute the work "Gay" as a negative term. but it my also be a substitute for any other negative swear words.
(ex 1. as gay)
Drew: yo man kat and i are going to see my schools play do you want to come?
Luke: forget that man thats so guelph

(ex 2. as gay)
luke: yo man its so guelph my mom wont let me take the car out tonight
matt: man that is guelph

(ex 3. as swear word)

matt: yo champ just lit his arm on fire
luke: champ is guelphed in the head

(ex 4. all of the above)

luke: yo man these examples are guelph

by G102 February 21, 2009
 
7.
A word that predominantly is used to substitute the work "Gay" as a negative term. but it my also be a substitute for any other negative swear words.
(ex 1. as gay)

Guy 1: yo man kat and i are going to see my schools play do you want to come?
Guy 2: forget that man thats so guelph

(ex 2. as gay)
Guy 1: yo man its so guelph my mom wont let me take the car out tonight
Guy 2: man that is guelph

(ex 3. as swear word)

Guy 1: yo champ just lit his arm on fire
Guy 2: champ is guelphed in the head

(ex 4. all of the above)

Guy 1: yo man these examples are guelph
by Dudeomon February 21, 2009