1. Verb. To be expensive in time, money or another commodity.

2. Noun. Someone who has removed credibility from themselves.
1. 'Building the Channel Tunnel was costly'.

2. 'Tim was costly after admitting he liked Blazin Squad'.
by Bill April 16, 2004
1. An event or occurrance that is detrimental or unfavorable.
My boy got head from this girl and she tried to offer me some icecream from the same spoon that she ate out of, COSTLY!!!
by Seye November 20, 2003

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