The act of urinating into a condom while having sex, pulling the piss-filled condom off, tying it in a knot, then proceeding to throw the now waste-filled balloon at your partner's face.
Yvonne: So, Taylor told me that John had Golden Ambushed her the other night.

Erika: I always knew John was a sick fuck.
by Indeedilllly November 20, 2012
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When a guy convinces a girl to go down on him and when she pulls it out, he pisses in her face.
"Jane smelled like urine after Tarzan gave her a golden ambush"
by Nicky NOTORIOUS March 23, 2004
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