mess with

Short definition from Wiktionary

Verb

1. 1
   To interfere with.
2. 2
   To diss; to put down.
3. 3
   To joke around with or dupe someone, in either a friendly or unfriendly manner.
4. 4
   To admire, enjoy, or approve of.
5. 5
   Used other than figuratively or idiomatically: see mess, with. To eat with.