wistis/wistilious 

to be very mistevious buy suddenly out breaking in outrageousness andcrazy beahvior beyond control for no apparent reason that nobody understands why.

*SCREAMING MAN IN THE BACK ROOM* ahhhhhhhh!!!!!!!!!OGGLY BOOGLY!
ppl: wow hes pretty wistilious!

wistis/wistilious by Whitney n Sam November 25, 2003