Any type of weapon, i.e a knife or a gun.
Can also be used in the word 'lengman', i.e someone in possession of a weapon or someone who is dangerous.
"Raah, that knife is a fucking leng"
"We better leave, there's lengmen over there"
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Someone of huge attraction, similar to peng and chung
"Girl at four o clock, she's leng!"
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Leng means wavy or high off something
Yo brudda that Zoot made me leng
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Police in the Birmingham area of England.
'Watch out leng are about today'
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