Usually someone who has an unrequited crush on an individual. Usually it can be on someone they know in person, or an actor or fictional character they’ve grown fond of. They usually go out of their way to help their crush and be friendly to them, and or think about them constantly.
“ I think I’m kinda a simp for Legolas. His character development is so outrageously intriguing and attractive, I always blush whenever I see him on screen uwu”
S - Squirt (ed), shoot/shot, soil (ed)
I - In
M - My
P - Pants
Usually seen on TikTok, Simp is used to let someone in the video or live know that they are SOOO hot, that the commenter has just SIMP. Terminology for prematurely ejaculating in their pants.