Debate your nan

A pointless argument which has only one outcome.

Liverpool is the worst team,
Debate your nan

As true as your nan

Meaning very true, or that you're not lying

Jimmy: "Caught a 15 inch redfin the other day."
Shaun: "fuck, true?"
Jimmy: "As true as your nan"

Dead Nan Ashes

The ashes of someone's dead nan. Sometimes used as a diss like 'your mum'

Fam dead nan ashes
Say mums
Mums
Madness broski

pop your nan

An insult used in the "British Chav Culture" meaning to pop the cherry with the recipients grandma.

Adidas Sandals and Socks Combo - man : "Shut up mate, i'll pop your nan"
Rational Human Being : "What the fuck does that even mean?"

Shank your nan

Shank your nan is a term roadmen use to intimidate people. Shank means stab. And your nan is commonly used among the new generation, for example “suck ur nan”.

Will-“if you tell them mun, I’m gonna shank your nan”.
James-“sorry man I won’t say a word”.
Will-“shut up or I swear blud, I’m gonna shank your nan”.”go suck ur nan”.

suck ur nan

The phrase you hear in public schools across Britain.

Boy 1: oi, suck ur mum
Boy 2: nah, suck ur nan bruv

Nans hairy puebes

When you are so hairy like ya nans hairy puebes

Bro you are soo hairy

Like what?

Ya nans hairy puebes