For def

the thing thats the best or is really good

that dinner was for def.

by Lawl Thomes January 14, 2008

def it

Old skool version of low it meaning forget it, dont bother or dont even go there but in a nice kinda way

man sez 'bruv, shall we jack the offie'
man&man 'nah def it, its too on top'

by moi&dem January 17, 2007

def

def /def/ adj. to describe a person, thing, or event that is cool. iarchaic, circa 1981/i

"yo, mah pizzles, I got da hook-up at this def new club. It's suppose ta be off da hizzy"

by Jay January 19, 2003

defs

A short form for the word definetly.

"I'm defs keeping this on the DL."
"Are you going to John's tonight?" - "Defs."

by coolkidddd September 12, 2006

def

It means like terrific or great or excellent

"I bet you were def." ~Fresh Prince Of Bel Air when he's talking to Ashley about her singing. 1st episode

by Lady_Rae_Marie January 11, 2006

Deffing

1. To be worried or scared about something, frequently used to describe a drug-induced state of paranoia.

2. To vomit.

Origin: Great Grimsby. Possibly originally evolved from the word 'defecate', via 'shitting it'.

1. 'I'm deffing', 'She's deffin'-out', 'I deffed-out', 'Deff-out'

2. 'I just deffed'. 'He's deffin''.

by spacecaked March 31, 2011

Defs

A shortened word for definitely

She is defs the hottest girl out

by cwperson October 4, 2011