SIS is an acronym popularized by the Canadian music artist Peaches in her song "Fuck The Pain Away" and it means "Stay in School".
Person 1: Remember the teachings of Peaches: "S-I-S, IUD, Stay in School 'cause it's the best"
Pesron 2: I love Peaches and, you know what, school is really the best!
Pesron 2: I love Peaches and, you know what, school is really the best!
by Max the Mad Cat May 26, 2024

ne'er-do-well(s)(s)(s)(s)(s)(s)(s)
wethethhethhethehthehtethethhetettehtehtehtehthehtehthe ne''er-do-do-do-do-do-do-do-do-we'e'e'e'e'e'e'e'e'e'e'e'e'e'e'e'e'el'l'l'l(s)(s)(s)
by Pseudopseudopseudopseudonym May 22, 2024

A middle school drug dealer does weeb crack, and meth smart good at math and will be the best dictator hires Arabs to bomb schools
by Colton S. friend April 21, 2022

by psuedyon November 22, 2022

The lord and savior from the monsters Inc hentai movie where he is the the chonkiest C H O N C K of C O C K S
F C
F C
S U L L E M Mm M M M
by Kokballtort February 26, 2022

by Sbeve stole your balls May 14, 2024
