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1.
Orignally Atlanta slang, Undelay is a timeframe meaning immediately, no delay....usually dealing with trafficking of narcotics.

From the Mexican slang 'Andale' meaning which usually means hurry up.
"Bruh, whey you at?"

"Swervin on u now, ima get that blunt to you undelay"
by bankhead sonya November 10, 2013