Derived from teh cult classic Napoleon Dynamite. Variant of PO'd but it means ticked off.
11 year old A- dude i was so fricking angry
11 year old B- oh my gosh!
11 year old A- he made fun of my sweaterfest, i was like " GO TO H - E DOUBLE HOCKEYSTICKS!!!!!"
11 year old B- GASP!!!
11 year old A- I know right? I was so TO'd