(v.) To text so extensively and in such a manner that it is flirting.

Striking a body builder-like pose while sending a text message. Quite common on the beaches of California but also observed at North Avenue Beach in Chicago.

Flirting over text message.

to flirt through texting.

Flirting through texting. That stage when you're not really sure if you're interested, but flirt hard-core through texting. You know what we're talking about.

simply put, flexing ones arms while texting to somehow impress others.

Flirting + texting. the act of text messaging someone to get attention from a person you are interested in. No matter if the person you are texting has a gf/bf.

In a sentance:
Boyfriend: Jenny keeps texting me at random times in the day. You know, just stupid stuff. But, that doesn't mean she wants me!
Girlfriend: It's called FLEXTING, and it's STILL FLIRTING!!!