switch up
verb1
Slang To change, usually in regards to how one feels, thinks, or behaves.
- People will switch up on you in the middle of the stream and just as soon as you turn your back they will stab you in it.2011, Lauran B. Webb, Watching and Waiting, page 81:
- “I don't know about you anymore. Since you got a boyfriend you switched up,” April said.2013, Jamila T. Davis, She's All Caught Up:
2
Slang To malfunction.