Somebody who's clever, strong and handsome.
"Damn he's hot, must be an astill!"
by Mr.Xoooooooooo January 02, 2009
Someone who fornicates with members of the same sex but insists he/she is of straight sexual orientation.
That astill kept hitting on me the whole time I was looking at his "girlfriend's" titties!
by Cheese Eater July 21, 2006