Originating from "Right Now", this phrase has become a popular meme, manipulated in various ways to signify whether Young Metro (Metro Boomin') approves of something or not. You may have come to seek this definition because others are reluctant to tell you the meaning of this quote and deflect your question by asking whether or not Young Metro trusts you, rather than explaining the quote. This is because they are embarrassed by the meaning of the complete quote. When the whole phrase, "If Young Metro don't trust you, I'm gon' shoot you" is used, it is a euphemism for gay sex.

Person A: If Young Metro don't trust you, I'm gon' shoot you
Person B: What does that mean?
Person A: If Metro Boomin' doesn't trust you, I will perform fellatio on you until you cum all over my face.
by BigBlackClock21 April 4, 2016
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If Young Metro trusts you, your safe, in the hood, and Chicago
If he doesn't, run bitch, run
Thug 1: yo, Young Metro doesn't trust him
Thug 2: let's go fuck him up

Ex.2
*a member of another hood is walking through your hood*
Thug 1: Yo, my brotha' lets go jump his ass
Thug 2: Na fam, we can't Young Metro trusts his ass
by Custy Commisso April 7, 2016
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If he don't trust you, I'mma bust a cap in yo' ass
Yo nigga, what happened to your girl?

Young Metro didn't trust her...
by Storms are Scary March 13, 2016
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He produces many rap songs today. He is a producer from Atlanta and got big from Drake's song jumpman. He uses these phrases in his produced songs to let people know he is the producer.
-If Young Metro don't trust you I'm gon' shoot you
-Metro boomin
by BMW540 March 9, 2016
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