jump out

verb5

1. •
   To emerge suddenly.

   • He would hide in corners and other dark places, and jump out, scaring one half to death. — 2012
2. •
   To exit a loop, function, etc. ending its execution before it has reached its terminating condition.

   • Jump out of a loop completely under certain conditions, thereby terminating the execution of a loop. — 2009
3. •
   To be obviously, noticeably different; to capture an observer's attention at once.

   • All are class acts, but Mary's picture jumps out as the best overall.
4. •
   (slang) To be unfaithful; to cheat on a partner.
5. •
   (slang) To expel (a member) from a criminal gang by beating them up.