A person who does not tolerate naughty things and is wholesome on the outside but is secretly curious about naughty things his friends know, searches it up on the internet and immediately regrets it.
John: "Yo johnny do you know what a rimjob is?"
Johnny: "Nope."
John: "Search it up then*
Johnny: "wtf is this"
John: " Hahaha you are just like si yang"
Johnny: "Nope."
John: "Search it up then*
Johnny: "wtf is this"
John: " Hahaha you are just like si yang"
by Yourlover,.,.,.,.,, November 22, 2021
Get the si yangmug. Feminine based pseudo science. Common beliefs with no real basis in science but are practiced and passed down like sacred old wives tales and "chick wisdom"
Also see bro science
Also see bro science
My mom always told me that emu oil makes your hair grow. I have no idea if that true or just some old sis science.
by portiapotter September 7, 2020
Get the sis sciencemug. by cahierbs December 30, 2021
Get the Si Yaomug. by CocoaBeanz April 2, 2022
Get the sis suemug. by Scott Swanson February 12, 2003
Get the si partymug. by The Moses June 24, 2004
Get the cease simug. 