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deadbeat

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dead beat

adjective Totally exhausted or fatigued. (Not to be confused with "deadbeat," a lazy, feckless, and/or negligent person.) I was dead beat after working my third 12-hour shift in a row.

See also: beat, dead

deadbeat dad

Slang A father who is not involved in the lives of his child(ren), physically and/or monetarily. Don't be a deadbeat dad, Sean—go see your kids this weekend! I'm no deadbeat dad, I make all of my child support payments!

See also: dad, deadbeat

dead beat

1. Defeated; also exhausted. For example, That horse was dead beat before the race even began, or, as Charles Dickens put it in Martin Chuzzlewit (1843): "Pull off my boots for me ... I am quite knocked up. Dead beat." [Slang; first half of 1800s]

2. Also, deadbeat. A lazy person or loafer; also, one who does not pay debts. For example, Her housemate knew she was a deadbeat, shirking her share of the chores, or He's a deadbeat; don't count on getting that money back. [Slang; second half of 1800s]

See also: beat, dead

deadbeat

n. someone who doesn’t pay debts or bills. Some deadbeat with the same name as mine is ruining my credit rating.