What is Heart-on?
1.
1. To warm one's heart.
2. Feeling awe, astonishment, surprise, or admiration.
The way Vicki Valerie sings gives me a major heart-on!
2.
When you really fancy someone and whenever you're around them your heart starts beating faster. Blood flow to the heart, resulting in a heart-on (punned with the more familiar "hard-on"). Sweet!
"You give me a real heart-on girl"
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