Boy better know is JME's record label. The phrase is used in fights and verbal abuse, meaning that boy better know what he is up against. (girls also can use this by sayin 'gyal better know')
sum person - 'u wasteman'
sum ova person - 'yea, boy better know'
Free Daily Email
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from email@example.com. We'll never spam you.