def

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def

(dɛf)
1. mod. better; cool. (Originally black. From definitive.) Man, that yogurt is def!
2. mod. definitely. This is def the best there is.

mos def

mod. most definitely. Am I mad. Mos def!
See also: def
References in periodicals archive ?
By 1987, rap was headed to the front of the music queue and Def Jam scored three major hits with Run DMC's and Aerosmith's "Walk This Way" becoming the first rap crossover, the Beastie Boys' Licensed to Ill album selling 5 million copies, and LL Cool J's Bigger and Deffer selling 2 million copies.
Participants will deffer based on the needs of a child and family.
A gentle circular stroll from Denby Dale returning via Deffer Wood.
N Swift, extension to form orangery and installation of air source heat pump, Deffer Wood Barn, Bagden Lane, Clayton West.
Within three years, Def Jam albums such as the Beastie Boys' Licensed to Ill, LL Cool J's Bigger and Deffer, and Run-DMC's Raising Hell dominated the black music charts.
Withdrawn: * Mr N Swift, extension to form orangery, installation of Juliet balcony to master bedroom and installation of air source heat pump, Deffer Wood Barn, Bagden Lane, Clayton West.
For almost two decades, LL has scored one chart-topping album after another, from his groundbreaking debut in 1985, Radio, to such multi platinum sellers as Bigger & Deffer, Mama Said Knock You Out, Mr.
Saturday July 17: Dawdling Back Through Deffer - 13-mile linear, train walk.