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sis

avery: he called me sis. i've literally lost sleep over this. what does it mean :(
noah: you just got sibling-zoned
by nopo2 November 6, 2022
mugGet the sismug.

Si Yang

A weird person who’s emotions can change very quickly, a fun and nice person who is extremely quirky and energetic, though they sometimes can come across as lame. People who have this name can be mean and violent at times but can also be empathetic and extremely kind. (Just be mindful of what you say to them.)
A Si Yang always knows how to bring the energy and craziness.
by Cloudsarecool November 21, 2021
mugGet the Si Yangmug.

Sis

A acronym for "she is self".
Look at her, sis is beautiful. Which means when you speak of Sis, Sis is yourself. It speaks on how you think and feel of yourself. Positive or negative. Talk to her nice 😘
by M. Divine May 5, 2019
mugGet the Sismug.

SI

Means self insert. The character you use and identify yourself to have sex with your anime waifu.
-I'm going to write a fanfiction between my SI, Jackard Bigchub Maximus, and Sagiri-chan.
+Do it elsewhere. Disgusting.
by FancyDuck December 3, 2018
mugGet the SImug.

Lao Si Ji

Lǎo sī jī (Old driver) 老司機— Chinese slang for someone who’s way too good at ‘driving’ — and by driving, we mean knowing a lot about sex, porn, hentai, lewd, and adult content.
- Oh man, didn't know you watch so much porn! You are a Lao Si Ji.
- Nah, Tom is the real Lao Si Ji. He is into hentai anime and stuff.

William: Are you doing your homework?
Ray: No.
William: What are you doing then?
Ray: Your mom.
Crowd: Ohhhh.
Kevin: Yo, Ray drives fast!
by itscalledthebird October 9, 2025
mugGet the Lao Si Jimug.

ut re mi fa sol la si

"Ut re mi fa sol la si..."
by hydorus shui October 1, 2023
mugGet the ut re mi fa sol la simug.

Finance sis

The female version of a finance bro, but better; one who buys designer, attends parties with businessmen with high net income, vacations at Nikki Beach and boasts of the corporate finance role she works in. Gets money.
Olivia is such a finance sis, she bought her fourth Louis Vuitton this month.’
by Jan5678 September 28, 2025
mugGet the Finance sismug.

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