To sext or text someone else inappropriately when in a committed relationship. A text to someone else that would be considered cheating by your partner.
I don't think that message is appropriate to send your colleague when you're dating Cheryl, it's totally chexting.
Sexting - but instead of exchanging nudes you exchange pictures of chai.
I spent all Sunday afternoon chexting with my new date.
checking in with a spouse, or loved one using a text message
hey man whats up?
nutin man just chexting!