2 definitions by Jess'sBFFWhoCantRidePixi

1)An abbreviation for Skinny Bitch
2) What you call a friend when they do something a weak/frail person would do
Ex 1:

God, Amanda and her clique are a bunch of skanky SBs

Ex 2: (after your friend tries to spike the volleyball but fails and only brushes her fingertips against it)

You: Haha SB moment :P
by Jess'sBFFWhoCantRidePixi September 3, 2010
Get the SB mug.
1) An abbreviation for Fat kid
2) what you call a friend (affectionately) or non friend (who doesnt know what it means) when they do something a Fat kid would do (eg: scarf down food, fail to get up stairs, breathe super hard after running a short distance, etc)
Ex 1 :(while looking at an overweight classate you dislike )
Friend 1: He told me I was ugly!!
Friend 2: Ha! are you kidding?! he's a total FK

Ex 2 : (Said to your friend while she scarfs down her burger)

Friend: haha FK moment
by Jess'sBFFWhoCantRidePixi September 3, 2010
Get the FK mug.