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2.
To get someone their drugs.
Hey lady, I need an eighth. Can you come through for me tonight?

I'm about to be selling, if that ounce comes through today.
by NatureLover111 October 10, 2006
 
1.
To come over
Who's all there? Ok, I'm coming through.
Is it cool if I come through for some drinks?
by Phatty Mcgatty March 28, 2004
 
3.
The guetto way of asking a female if she is going to put out.
Yea, I want to see you too baby, but I dont want to drive all the way to Brooklyn unless you going to come through.
by papote February 19, 2006