Couples, what secret language do you use to tell each other details that the company you're in doesn't understand or notice?

https://lemm.ee/post/9451756

Couples, what secret language do you use to tell each other details that the company you're in doesn't understand or notice? - lemm.ee

What words, phrases or signs do you use and how do you get your partner’s attention?

Dinosaur noises, typically when we’re trying to find each other.
My dad would meow loudly when him and my mom got separated while shopping. Mom would rush over as fast as possible to shut him up.
My wife would pretend she doesn’t know me go the other direction.