look up any word, like cleveland steamer:
 
1.
What you are.
Thou art foolish!
by Nabeshin March 03, 2004
 
2.
Describing something that is gnarly, over the top, amazing, or jaw droppinng. Comparable to the term sick.
"Did you see that trick!"
"Ya it was foolish."

"That skateboard vert ramp at the x-games is foolish."
by R Austin April 17, 2008
 
3.
Often a term of endearment, however it can also be used in a derogatory sense. Silly, dumbass, lameface, idiot, but in a good way of course. Introduced by the one and only Annika of Ballard.
"You drunk dialed me, foolish."
by Annika and Lauren January 16, 2007
 
4.
Often a term of endearment, however it can also be used in a derogatory sense. Silly, dumbass, lameface, idiot, but in a good way of course. Introduced by the one and only Annika of Ballard.

"You drunk dialed me, foolish."
by Source: Annika and Lauren January 19, 2007
 
5.
Someone who does incredibly stupid things and doesn't realize how stupid they look.
Anyone with the following last names: Obama, McLaughlin, Ortega, Simpson, Bunny, etc.

OR

You are so foolish!
by Darth Lord Maak Foreva August 05, 2009