1.) One who cannot keep his word and always backs out without notice.

2.) No Call, No Show!
Tony: You going to come over tomorrow for the game?
Bill: Yea I'll definatly be there!
@the party.
Justin:Where is bill at?
Tony: I don't know he never called.
Justin: Good ol' Back out Bill
by Tony89 August 9, 2007
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The act of relaxing or chilling somewhere.
Yo are you good?

Yeah I'm just billing out by myself

I love to bill out too!
by November 5, 2023
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The act of relaxing or chilling in a specific place. Used when chill doesn't feel like the right word.
Person 1: Yo do you want to bill out after the movie at my place?

Person 2: Yeah man we should totally I love billing out at your place.
by November 5, 2023
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Yo are you good?

Yeah I'm just totally billing out rn

Nice I love to bill out too!
by Totally Not Stalin November 5, 2023
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