detonate the haggis 

To fart. Not coincidentally, haggis is a traditional Scottish dish of sheep's stomach which is stuffed and boiled for three hours.

"Dude, did you just 'detonate the haggis' in my car?!? Get out and walk! NOW!"

detonate the haggis by Duanester May 24, 2008

hairy haggis 

Scots. An adult penis.

"Hoots Jimmy, will ye stop playing wi' yer hairy haggis!" You dinnae impress me"

hairy haggis by The Curmudgeonly Scribbler June 20, 2018

Rainbow Haggis 

When you eat so much candy that your insides probably look like a rainbow haggis.

"Ugh, I shouldn't have eaten all those skittles; I feel like a rainbow haggis."

Rainbow Haggis by TheAustralianMoose27 March 6, 2020

Weekend Haggis 

Your last resort person to hang out with. The dregs of your social life. If the alternative is staying home for the third Saturday night in a row, you call your weekend haggis.

You: I’m going for a drink with Tom tomorrow night.
Friend: I thought you didn’t like Tom?
You: yeah but he’s my weekend haggis.

Weekend Haggis by Jrefap June 26, 2021

Devil's haggis 

Colostomy bag. Full to bursting. Possibly abandoned in a public space.

Don't kick that son, that's a Devil's haggis. Here, poke it with this stick.

Devil's haggis by Cappo Fiddlé January 15, 2013

shaggin the haggis 

A term for having sex with sheep.

Ah, that lad Jimmy is out in the field shaggin the haggis again. What a pervert. shaggin the haggis

shaggin the haggis by anonymous1717 June 24, 2016

Whack the haggis 

Glaswegian term for the vigorous two handed option of masturbation while watching reflection in mirror.

Eg '' Hamish decided to 'whack the haggis' when his mother walked in with the coco pops...''

Whack the haggis by Samanda#1 November 29, 2009