Exclamation often used by Amy on Futurama to express disgust, frustration etc. Synonymous with "duh!" after somebody says something stupid.
Amy: "Fry, alcohol kills brain cells."
Fry: "No I'm doesn't!"
A term that can be used to reference having sex. This term can also be used to describe a hot women.
I mo spleesh dees hoes.
I almost spleeshed this girl last night but some retard walked in the room.
Damn son look at those fine ass spleeshies over there.
1. Needing to go to the toilet.
2. The sound your piss makes when it's aimed into the toilet perfectly; also like a Swish in basketball.
"I need to spleesh"
"BRB I just need to spleesh"