Swear Mothers

Used when, to sound convincing of telling the truth, or wanting to be believed. Possibly Australian origin. Condensed from swear on my mothers grave

Such & such happened, swear mothers.

“It wasn’t me swear mothers”

Swearative

Describing someone or a group of people who cuss a lot.

Joe: F***ing D***it you F***ing B****!!!
Bob: Woah, dude, you're very swearative today.

Jill: Yeah, Mrs. Hayfer and Mr. Lang kept telling us all to shut the F*** up.
Hana: Mr. Jones and Mrs. Hiller kept cussing at us too.
Jill: The teachers are really swearative today.

I swear down mate

When a Geordie is angry they say this

"I swear down mate I'll punch you!"

on swear

sort of like “on god” and “swear” mixed together

i’m not doing this shit on swear

I swear down on my nan’s grave

Popular statement frequently used by Formula 1 YouTuber Rocketpoweredmohawk. Used to express to swear on something or used as a general indication of anger/frustration

“If Max Verstappen wins the next race and gets his 50th win in a row, I swear down on my nan’s grave, I will be very disappointed”.

swear fair

n. A conversation where one or more of the participants curse casually and frequently.

Greg: "%^*& you, you ^*&@ing piece of god%&^ @#$%!"
Bob: "Whoa, watch the swear fair, dude. There's children around here."

over-swearing

over-swearing si when a person swears too much in their sentences for no absolute reason at all even though sometimes the sentence sometimes make sense

why are you over-swearing, you don't need a swear every 2 words for your sentences