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2.
A nasty remark given when people are all up in your business.
I give a hearty "fuck you" to those people who were so much in my grill when they needed not be.
by James Reitz November 01, 2005
 
1.
Smug insult. It shows that the author/speaker is not worried by his opponents.
And gumba gave a hearty "fuck you" to his haters.
by Kung-Fu Jesus April 17, 2004