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1.
Advanced payment. The action of paying somewhat an amount smaller than the actual payment. Not to be confused with foreplay.
Friend 1: Hey I don't have all the money I owe you right now but I'll just give you 20 dollars for now.

You: Okay thanks

20 minutes later

Friend 2: Hey where've you been?

You: I just got a whole bunch of forepay right now from that girl over there.

Friend 2: FUUUUUUUUUUUU!!!
by urbsuser April 06, 2011