jump out

Short definition from Wiktionary

Verb

1. 1
   To emerge suddenly.
2. 2
   To emerge suddenly: To exit a loop, function, etc. ending its execution before it has reached its terminating condition.
3. 3
   To be obviously, noticeably different; to capture an observer's attention at once.
4. 4
   To expel (a member) from a criminal gang by beating them up.
5. 5
   To be unfaithful; to cheat on a partner.
6. 6
   Used other than figuratively or idiomatically: see jump, out.