Someone who doesn't quite understand the art of flirting. In most cases, one who suffers from flirtardation is able to pick-up flirting between other couples but in his or her case, they are oblivious.
There is no cure for flirtardation.
Sue walks into a bar and grabs a seat. A nice looking gentlman approaches her ten minutes later.
Gentleman: Can I buy you a drink?
Sue: Yeah, thanks.
She looks away from the man, doesn't engage in conversation and leaves the him hanging.
Sue: (to bartender) People can be so nice sometimes!
Bartender: Are you flirtarded lady?!