"cool" - awesome, great, fantastic!, bossy.
"that's so reast"

"I wish I was as reast as you"

"you're so bossy, fucking reast"
by Megan Soup September 03, 2007
Get a reast mug for your cousin Vivek.
Dirt, the smell of sweat, trouble.
Slang used at RAF College Cranwell
What are these reasty clothes doing in your cerry draw?
by Mr Bloody Engineer Cooper March 11, 2005
Get the reast neck gaiter and mug.