The usage label tells you when the jam is set to expire or be not as good to eat.
It's informal or slang
His record Label is Island Def Jam Records.Def Jam records
Regional
Def Jam
Def Jam/SRP
Def jam i think
Diamond Chocolate.
he is signed to a major music label called 'island def jam' :)
Justin bieber signed to his label Island Def Jam in 2008
hes got his own label RocNation which has J. Cole signed to it..
Def Jam/SRP
Zexnero
Def Jam Records