Urban Dictionary: a hearty "fuck you"

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

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