look up any word, like pussy:
 
1.
liquid human waste (urination) - aka pee

- opposite of thickie (shit)
"Where's the bathroom? I need to have a thinnie before I explode!"
by Holly December 05, 2007
62 15
 
2.
The most hottest cutest sexiest perfectess guy on the planet! he is charming and sweet and athletic as heck! He usually plays a lot of sports and is super funny. A Thinnie is the kind of guy u want to hang around with or be with. ;D Simply put the best in the west
Hot girl 1: OMG! Look at that fine sexy thing over there!

Hot girl 2: OMG your so right! OOOOOOH he is such a Thinnie!
by XxpsuedoxX January 04, 2010
3 7