Leff 

To growl like a Jack Russell Terrier. To act in an angry short tempered manner.

Alt Def: to be short with someone.

That biatch was leffing at me all morning. She must be pms-ing

Leff by Jimmy Jams February 25, 2005

Leff 

The last name of a legend. Adam Leff is one of the most famous people in the northwest suburbs of Illinois. His phone number has been printed on thousands of stickers that have been distributed throughought the USA. Adam Leff is so popular people started to use his last name as an replacement word for virtually almost anything.

Girl 1: "Did you hear about Adam Leff? I'm totally DTL him"

Girl 2: "DTL?"
Girl 1: "Down To Leff. I wanna Leff the shit out of him I heard he has a massive penis"

Leff by brightlights372 November 11, 2013

leff 

leave

yo star just leff it u get me!

leff by Nathan September 22, 2003

leff 

The most awesome possible way to say the word "left," as inspired by Thirst from those Sprite commercials.

"I'mma be ova heah on my leff...gettin' mah drink on!"

leff by Derek August 31, 2004

Leff

leff (verb/adjective)

To do something with the absolute minimum amount of effort required to technically count as having done it.

"Bro didn't even read the instructions, he just leffed the whole assignment."

Leff by Punkology August 23, 2026

Brian Leff 

the sexiest jazz man alive; an ap music theory enthusiast; bowler extraordinaire; trumpet man who’s essentially a god; can be frightening but would easily be your favorite teacher;

Brian Leff is hot af
Woah you’re a genuine Brian Leff

Brian Leff by brunotheclown October 14, 2019

A.Leff 

A superior whore, that doesn’t believe, they’re a whore!

Can you believe that A.Leff, it screwed it’s best friends boyfriend/girlfriend, and seen nothing wrong with it.!

A.Leff by Jibs007 September 20, 2018