It is like calling someone a snack, but referring to an older man or woman who is smoking hot.
Person #1 "Dude!! that guy is sooooo hott!!"
Person #2 "Bro, he's like 50."
Person #1 "He is such a non-perishable"
ex. John stamos, Brad Pitt, Jennifer Aniston.
4👍 1👎