to sign a form or contract which says that you agree to do a job or become a soldier; to persuade sb to sign a form or contract like this; to put your name down to join or take part in an activity, event, club, or organization; to arrange to do a course of study by adding your name to the list of people doing it; to say you never agreed to an unpleasant or unexpected situation, usually in “I didn’t sign up for this”

Heard in 31 moviesPlay Phrasal verbs
DR. LIST: It's what they signed up for.
Said in 8 films · #1