Biff 

Noun:

A butch girl who works in construction and/or is obsessed with the profession of construction. Tries to act like “one of the guys” but just comes off acting like Biff from Back to the Future

“Hey look who just got outta that dozer, it’s a Biff!”

“Wow, you don’t see many of them on the site.”

Biff by Conk01 January 2, 2021

Biff 

A spliff, joint or weed cigarette.

Guy#1: “Fancy a biff later?”
Guy#2: “Yes please”

Biff by yanr March 16, 2021

Biff 

biff, to hit into another vehicle off the road or to crash it with your vehicle

With cars
Person 1: "Ohh damn dude, i just biffed this car off the road"
Person 2: "his car is wrecked!"
With helicopters
Person 1: "I'm about to biff this chopper out of the sky"
Person 2: "why are you flying into their propellers!!????"

Biff by Flan547 April 5, 2021

biff 

A slang term for cocaine in Aberdeen, Scotland.

“Oi mate fancy getting some biff tonight?”

“Yeah mate, let’s get fucking heaps of biff”

biff by Biffman April 10, 2021

Biff 

To throw something with vigour, informal. Cape Breton english

You better not biff that snowball b'y
I biffed that stick right at his face

Biff by sgtsnipe April 22, 2021

Biff 

Aberdonian way to say “sniff”

“Have you got an biff”

Biff by Riri999 June 9, 2021

Biff 

A YouTuber who is amazing at everything and has a lot of MLG glasses

is that Biff?
Yes the MLG glasses collector

Biff by RellicyTTV July 2, 2021