1. describing the weather - very very cold weather
2. describing one of the most common student activity, smoking weed/socially drinking with your friends and complain about school, life, country's economy and stuff.
3. to describe a sexual interaction with woman and a smokin session
4. to describe someones character as a very cool person
1 It's bitch'nchilly. I think my balls are gonna freeze
2 Watcha guys doing tonight?
I guess nothing, just bitch'nchill with my roommate.
3 so how did U finished last night's party?
The regular stuff man, bitch'nchill

4 Yo man she's bitch'nchill
by Tomasz - Bushizko April 17, 2008
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