1 definition by El Sid

When you have sex with someone and then piss over them afterwards.
Example 1

Person A: Dude i totally gave that girl a champagne finish.

Person B: DUUUUUDDDEEEE!

Example 2

Steven: Could i give you a chamagne finish

Rhiannon: Not until you give alex a copy of the cordite loop album

Steven: awwwwww
by El Sid March 3, 2007
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