Flirting while terribly craving sex (thirsty).
Did you hear Tyrone on the telephone? He is hella flirsty girl, he wants to get at this!
A cross between the words "flirty" and "thirsty."
Someone who is constantly hitting on, flirting with, or otherwise exhibiting horny and flirtatious behavior towards others.
Coworker 1: "What are you having for lunch?"
Coworker 2: "I'm looking at it ;)"
Coworker 1: "Ugh, flirsty ass"