Actually she is just insane.
Well, Asia Carera (the porn star) has an IQ between 152 - 156, and Debussey knows many people that scores this high (Mensa). Debussey still wonders why they bother talking to Debussey, since Debusseys IQ = 53
Jag having a 160 IQ = not impossible, but just very very very unlikely, and with her proven track record of showing a lack of brainpower, it just does not serve her cause. A 160 IQ (SD15) = 1 out of every 31560 (and due to her ethnicity, that ratio = even worse).
But if she actually can prove it, good for her