To behave in a rude manner, or to act in such a way as to invite people to not like you.
We will not respond to Kiranth's toolishness.
Tom's toolishness was apparent when he described his evening only in the amount of alcoholic beverage he had consumed.
"Yeah man, i was sooooooo wasted last night, I had like 50 beers. I gotta check my bank account to see what i did last night"
An act of extreme toolitude.
Can be performed by a professional tool, or by someone who is not really a tool. Basically, anyone can perform and act of toolish-ness
Dude, last night, i was pwning on Halo 3, but then some major DB cubed pulled an act of extreme toolish-ness, and ended my killing spree.
An act of foolishness performed by a tool of a person.
Lindsay Lohan's "toolishness" is beyond compare.