THIS WORD OF THE DAY QUIZ IS HARDLY A DODDLE!
Origin of punch-out
Words nearby punch-out
Idioms and Phrases with punch-out
Record one's time of departure from work, as in We never punch out at exactly five o'clock. This usage, dating from the 1920s, alludes to the use of a time clock. Also see punch in, def. 1.
Eject from a military aircraft, as in The pilot punched out just before the plane blew up. [Slang; 1960s]