Something that makes someoneone feels good.
"That thing you said to me last night sure was a heartwarmer!"
by Gondracorn July 02, 2014
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when you hang upside down and all the blood rushes to your heart and warms it up :D
-"Oh my goodness it feels so heartwarming :D"
-"Hoi get down from the ceiling ya muppet!"
by Moitt August 31, 2009
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