To eat out

to consume completely.

See also: Eat

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
"An overwhelming 78 per cent of the consumers felt it has become more expensive to eat out over the last 12 months.
Unless you tell the Government that you're not having to eat for a while, you're going to have to eat out.