Top Definition
1) the opposite of chillin; high-maintenance; anxiety-filled; to behave as a drama queen

2) to frantically cover one's ass, usually with lies and deceit.
1) He was looking forward to a relaxing evening at home, but his girlfriend was chellyn about his parents visiting them 3 months from now.

2) Once the cops showed up at his door, Bob started chellyn by first flushing the drugs down the toilet, and then planting a small stash under his roommates bed.
by bonnie_traid_in_boise December 30, 2009
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