"Mandale mecha" refers to the request from an A person to a B person to just "Blaze it" now refering to the Joint/Blunt, or how Argentineans call it "Troncho"/"Porro"/"Vela"/Etc.
A: Hey! I just got some porro! You're in?
B: Sure mate! Mandale mecha!
by DonLanz January 23, 2018
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