Party splash
1) After pouring the desired amount of alcohol for a mixed drink, a party splash is a short extra pour of alcohol that you add to the drink to guarantee its strength.
Person pouring liquor: "Tell me when to stop..."
Partygoer: "...stop!"
Person pouring liquor: "A little party splash, and now we're all set."
Partygoer: "...stop!"
Person pouring liquor: "A little party splash, and now we're all set."
Indonesian Splash Party
When you sit on the toilet to poop, but you pee first, and then when your crap lands in the water, it splashes the pee into your ass crack.
Bro, I'm having a horrible day, I failed my exam, I got a parking ticket, and I had an Indonesian Splash Party.