out of gas

out of gas

1. Literally, having no gasoline to make a car, motorcycle, truck, etc. move. We ran out of gas about three miles outside of town. Make sure you fill up the tank before you take the boat out—you don't want to find yourself out of gas and stranded in the middle of the lake.
2. By extension, completely exhausted, fatigued, or without energy or motivation. Let him make those big punches. They'll tire him out quickly, and he'll be out of gas by the fifth round.
See also: gas, of, out
Farlex Dictionary of Idioms.

*out of gas

 
1. Lit. without gasoline (in a car, truck, etc.). (*Typically: be ~; run ~.) We can't go any farther. We're out of gas. This car will be completely out of gas in a few more miles.
2. Fig. tired; exhausted; worn out. (*Typically: be ~; fun ~.) What a day! I've been working since morning, and I'm really out of gas. I think the old washing machine has finally run out of gas. I'll have to get a new one.
See also: gas, of, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

out of gas

see under run out of.
See also: gas, of, out
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • biker
  • literally
  • on wheels
  • at the buzzer
  • take (some amount of money) for (something)
  • take an amount of money for
  • a cure worse than the ailment
  • a cure worse than the disease
  • a treatment worse than the disease
  • ailment