do a double take

do a double take

To look twice due to surprise or disbelief. Everyone did a double take at his shiny new sports car as he drove by. Men and women alike did a double take when they saw him in his tuxedo.
See also: double, take
Farlex Dictionary of Idioms.

do a double take

to react with surprise; to have to look twice to make sure that one really saw correctly. When the boy led a goat into the park, everyone did a double take. When the nurse saw that the man had six toes, she did a double take.
See also: double, take
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

double take, do a

Show a delayed reaction to an unusual remark or circumstance; also, look at something or someone again. For example, He did a double take when his ex-wife appeared at his wedding. [1930s]
See also: double
The American Heritage® Dictionary of Idioms by Christine Ammer.

do a ˌdouble ˈtake

react to something surprising or unusual only after a short delay: I had to do a double take when she walked in — she looked exactly like her mother!
See also: double, take
Farlex Partner Idioms Dictionary
See also:
  • double take, do a
  • double take
  • a double take
  • a double taker
  • taker
  • at the double
  • on the double
  • double
  • double sawbuck
  • dub
References in periodicals archive
a) You oh-so casually cruise past his table, do a double take, and say, "Hey Jack!