uncasual 

uncool, awkward and/or uncomfortable.

"That bitch came over to my mom's for Passover dinner and started dissing the whole Jewish race. It was SO uncasual!"

uncasual by DaniCalifornia October 25, 2007

Uncasual Friday 

When, on a Friday, one dresses up instead of dressing down

Guy 1: Hey kid, why are you wearing a suit to school?
Guy 2: What suit? These are my pajamas, it's Uncasual Friday

Uncasual Friday by spiffypete January 15, 2015

uncasualify 

Go back to playing World of Warcraft hardcore so you can pwn faces and take names.

DBX is going to uncasualify himself, too bad he still sucks.

uncasualify by kazsuckslulz January 7, 2009