a c*t - A c*t is when you send a message or call someone, usually to

A c*t is when you send a message or call someone, usually to bother them or make them answer.

DM: 'Hey, you're a c*t, call me back now!'

Text: 'You're a c*t, I'm not going to stop texting you until you reply.'

Call: 'You're a c*t, I'm calling you at 2 AM.'