An extremely gay term for the act of sending a sexual text message, most commonly used by people trying to sound hip, or in some cases used in contempt by those explaining how stupid the word sounds.
50 year old morning show dj: Hey did you hear about Tiger Woods.
48 year old morning show sidekick: Oh you mean about his latest sexting escapade with a porn star. huh huh huh huh.
A text message that involves sexual activity, also known as phone sex. Can also be a video of nudity emailed or texted. If it is child nudity, it can be illegal
Maddy: I'm so horny, i was sexting with Ryan last night
Tiffany: that sounds sexy *Drools*