Top Definition
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! it gives me an excuse for my sluttiness
friend: i hear ya! when my boyfriend brought me one the other day i didn't even realize we were having sex until my cup was empty!
by pumpkinspicelattES September 29, 2009
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