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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
Guelph by Dudeomon February 21, 2009
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To take a dump in an open dishwasher. Doesn't matter if it's top or bottom rack or just on the open door.
"Nothing was taken, however the culprit left a guelph before leaving the residence," police said.
Guelph by BarbaricGuelpher September 15, 2020
a city where all the people are a cult that worships concentration camps. little nazi germany, hell since 2016. the place on the trans canada highway where people disappear. also the place where suzanne guthrie hails from, the city that told pres. donald trump to "shut up" unconstitutional on both sides of the border and illegal. also a city without police juridiction. gunshots everywhere.
i dont wanna live in guelph man the brutalize me.
guelph by Cody5050 January 11, 2021
ive lived in Winfield coop for 23 years now i just live in guelph
guelph by oligospermia February 2, 2026
1. Guelph
(verb) An Onomatopoeia; To eject material in manner best described as (superficially or otherwise) moist and high-velocity. Oftentimes ends with a squelching or splashing sound.

2. Guelph
(noun) A City in southern Ontario, Canada

3. from Guelph
(idiom) An informal, generally negative figure of speech used to denote something of dubious quality, unusual circumstance/behaviour or otherwise poor opinion.
Example 1:
man 1: Unbelievable, that guy just shot mud out of a cannon with a mighty guelph and splattered that poor beach-goer.
man 2: Just absolutely slathered him with sauce, he did.

Example 2:
kid: I'm on lava reef zone in Sonic 3 and I keep dying to those fire shooters coming from the walls.
dad: oh, yeah, those. it's weird, rather than shooting the fire, it sounds like they guelph it, as if they literally say the word.
kid: what the hell are you talking about man

Example 3:
woman: bruh is this the soup from guelph? this shit tastes odious.
line cook: on jeff the killer's grave take it up w the chef
head chef: this pussy from guelph trippin... fuck outta my 'straunt before i consolidate you
Guelph by Jockstrap Cowboy February 28, 2026

guelph ontario 

Guelph pronounced "Goowelff". The leading Canadian city for producing granola type same sex couples who like to bathe in their outdoor showers while feeding their backyard hens. Mostly gym teachers, these people graduate to careers on the city council so they can vote on how to return the city to the early 1960's. Guelph also has a large Asian community that are not allowed out of the west end. When they do manage to tunnel out, they enjoy acting tough and threaten to "stick you". Whatever the fuck that means.
guelph ontario lesbians not hot but butch
guelph ontario by Colon the 3rd October 11, 2013

Guelph Whore

Bitch that will screw you over and sleep around with guys or girls for spider plants to hoard.
im going to pulling a guelph whore a.k.a a "Remy" and keep 1000 spider plants
Guelph Whore by wow923 May 18, 2011