Uncle 2: "Drink a lot of uncle's semen! ♥"Uncle 1: "Aaah~, coming ♥♥♥
Riichi! Ippatsu! Creampie! Ejaculation!"
Riichi - in mahjong, declaring that you're only missing a single piece.
Ippatsu - in mahjong, winning on the next turn after declaring riichi. Also just literal one shot/explosion. Homerun in baseball, etc