get (one's) signals crossed

To have a misunderstanding or miscommunication with someone else. I'm sorry I'm late, I thought we were getting here at 8—we must have gotten our signals crossed. My mom and I got our signals crossed, and now there's no one here to babysit the kids.

Common Names:

Name	Pronounced	Usage
Aran (1)	-	Irish
Mitra (1)	-	Hinduism, Indian, Hindi
Margaid	-	Manx
Lyn	LIN	English
Ferrutius	-	Late Roman
Ivah	-	Biblical