when the seasons change from summer to fall in late september to october when the temperature/atmosphere is perfect for drinking starbucks' pumpkin spice lattes. drinking a p.s.l. tends to put one in a trance as they will pretty much do anything as long as they are drinking the oddly sensational beverage.
PSL drinker: Mmm I love when PSL-weather begins! Those 12 ounces of warm, spicy goodness are enough to make me forget all about my dad leaving us in my formative years! At least for five minutes or so...
Friend: I hear ya, they really are such a treat! When my boyfriend brought me one the other day I didn't even realize we were having sex until my cup was empty!
by RoadRunnerMeepMeep September 30, 2017
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Also known as "Perfect Suburban Life syndrome". Refers to people who take things for granted and have no appreciation for their possessions because they have never encountered any difficulties in life.

Also used to describe adolescents who live substandard lives following in the footsteps of their parents because they don't know better than to conform like mindless sheep.
Jebediah is an insensitive, arrogant prick because he has PSL syndrome.
by James Peach November 18, 2007
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PSL Rating is a rating scale for aesthetic appeal of the human facial structure.

P is for Proportion.

S is for Size.

L is for Lineation.

It rates the face.
Friend 1: bro what's my PSL rating

Friend 2: I'd say 5.
by VramptaBuckT July 30, 2023
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pumpkin spice latte, only white girls from Starbucks know what it is.
"That Bitch is so basic with her PSL"
by dying slowly334 February 28, 2020
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Stands for "pumpkin spice lesbian" (note: not pumpkin spice latte)

A stereotypically white lesbian. Attractive, probably blonde, wears UGGs, owns 20 succulents, has at least 500 followers on her Instagram, shallow and borderline racist, and would kill for anything pumpkin spice.
Wlw 1: Oh my goodness, she is so cute. Should I ask her out?
Wlw 2: Naw fam, she's a PSL. She'd make you take candids of her every other second.
by a.deer.a November 20, 2018
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