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
Zlata	-	Croatian, Serbian, Slovene, Macedonian, Czech, Slovak, Russian
Diane	dee-AHN (French), die-AN (English)	French, English
Leto	-	Greek Mythology
Hosanna	ho-ZAN-ə (English)	Biblical
Valencia	bah-LEN-thyah (Spanish), bah-LEN-syah (Latin American Spanish)	Spanish
Corrin	['kɔ:rin]