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1.
German for "hail"

Sometimes used to express the opinion that someone's a fasist/nazi usually combined with the traditonal Nazi-era salute (raising one's right arm at a straight diagonal infront of them}
Heil Principle! Heil!
by JesterMonkey June 01, 2004
 
2.
Nazi gretting
Heil Hitler
by Jorge May 18, 2003
 
3.
an unnecessarily rude person who has no consideration for others
Jeez amy is such a heil I don't understand how she has friends
by Shalalalop August 23, 2008
 
4.
Yet another way of saying "hell"
"You want some beers"

"HEIL YAES!"
by Jordash August 20, 2004