Used to describe something you have memorized

It's a misnomer of course, but one that's used all the time
Do you know Danny's number by heart?
by contagion; June 17, 2009
used when described a deep and intimate conversation between two individuals more often the opposite sex
"wow look at this laura me and you having a heart to heart , getting to know each other better".
by uk girl August 30, 2006
if you know something in your heart of hearts, you are certain of it although you might not want to admit it.
I knew in my heart of hearts that something was wrong, but I just wasn't ready to deal with it. Do you believe in your heart of hearts that things will get better?
by Infinite2 July 29, 2008
The most trustworthy form of communication is heart to heart between two people.
Jill prefers heart to heart but one on one in a safe space. She won't answer Jack in public because others might hear and matters of the heart are private.
by Freeasabird January 6, 2020
Knowing something for certain, but not wanting to admit it.
"But I know In Heart Of Hearts...
I know I'm never gonna hold you again, No..."(Phil Collins & Eric Clapton - "I Wish It Would Rain Down""
by Stop asking me for a pseudonym September 2, 2014
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"
by Horse26 July 22, 2008
Courge or bravery
-Yo little Nick just stole on Jimbo.
-That kid got heart
by Scouse April 29, 2003