Rifling through the tags, here's some other terms which are apparently causing mass carnage whenever they escape our borders:
Having a goon (i.e. Sipping on a delightful wine)
Having a gaytime (Eating an icecream)
Having a sticky beak (Investigating)
Take a squiz (To have a sticky beak)
Get stuffed (To express a revelation is most frightful)
Chuck a sickie (Take a day off work due to the humours being misaligned)
Chuck a wobbly (When one's temperament becomes visibly upset)
Carry on like a pork chop (Acting most silly indeed)
Hot chook (Pre-cooked supermarket rotisserie chicken, otherwise known as the Bachelor's Handbag)
Fair suck of the sauce bottle (Let's be real)
Shits me to tears (Something is mildly annoying)
Not here to fuck spiders (Expressing a situation is serious)
Having a piss-up (A social gathering)
I'll shout you (offering to goon an old chum)
A cruisy place (a relaxed atmosphere, where one might shout and goon the night away while enjoying many a gaytime in your favourite thongs)