hang on

Short definition from Wiktionary

Verb

1. 1
   To wait a moment.
2. 2
   To hold, grasp, or grip.
3. 3
   To keep; to store something for someone.
4. 4
   To pay close attention to, or regard with (possibly obsequious) admiration.
5. 5
   To continually believe in something; to have faith in.
6. 6
   To persevere.
7. 7
   To depend upon.
8. 8
   To weigh down or oppress.
9. 9
   Used other than figuratively or idiomatically: see hang, on.