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A knife / blade weapon

Derives from Jamaican patois, often confused with Leng (firearm/gun)
Allow that boy man, he's packin a skeng

Draw fi skeng man, slice n dice
by Doobsh July 17, 2005
Ugly, not fit, opposite of peng
That girl is skeng bruv
by Ipswich HXC July 02, 2009
A gun. or firearm of some sort
oi dem boys got skengs on dem!
by Aztec November 10, 2003