Having saline injected into the breasts in order to temporarily enlarge them.
Girl #1: My tits feel weird.
Girl #2: What do you mean?
Girl #1: I did Party Tits at the share this weekend.
Girl #2: What??
Girl #1: Party Tits. You get saline injected into them, and they get really big. It wears off in a few days. The guys love it.
by chrissy c September 4, 2006
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When one tit stands out due to a nip slip, spill on the shirt, or something drawing attention towards one tit over the other.
My right tit just slipped out of my bathing suit top. That’s my party tit.

I just spilled ketchup on my shirt right on my left tit. Guess that’s my party tit.
by SnowBusiness January 21, 2019
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