Variant of "for sure". Mostly used by Valley-types stuck in the 1980's.
by Dan May 2, 2003
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1. One who has a nice, curvy figure, or thick ass.

2. Can sometimes relay to personality when someone is not physically thick, but mentally thick.
1. Have you met that girl Deyzha? She's a thickie fershure!

2. Javier: Jackie is a thickie fersure!
Alyssa: But isn't she really slim?

Javier: Yeah, but have you met her?
Alyssa: Oh yeah, she's a thickie fershure!
by # 1 Dad November 23, 2015
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For sure.
But smashed together.
Said when agreeing with someone.

People on the west coast usually say this more better version of 'for sure', just cus it sounds cooler and more skater-like i guess.
Shakyra: Omg Kali, did he like your hair?

Kali: Fershure, he said it looked like Taylor Swifts.
by killakyraskeetskeet July 26, 2010
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