phrase that two grown men can exchange as a sign of mutual admiration, confidence, loyalty and trustworthiness without any implication of erotic or sexual attraction.
From the popular podcast S-Town :

John B. McLemore : I love you, man.
Tyler Goodson : I know that. I love you too, John B.
John B. : And just because I say that, Tyler, doesn't mean I'm trying to get up your butt !
Tyler : I know that, John B. You've been like a second father to me.

(Months later, after John B.'s suicide) :

Tyler : Poor John B. Man, I miss that fucker ...

If S-Town is essentially correct, I think a lot of people miss John B. We all love you, John B. And miss you.
by Virgin Suicides July 27, 2017
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Platonic love *can* exist between two grown men.
Terry: Wayne. Wayne. Garth told me about the show, man. I love you man.
Wayne Campbell: Yea, and I love you too, Terry.
Terry: No no no, I mean it man. I LOVE you.
Wayne Campbell: No, I-I mean it. I love you.
Terry: No you don't, man. I love you.
Wayne Campbell: being hugged by Terry Garth. Hey, come over here, I think Terry has something he wants to say to you.
Terry: I love you, man.
Garth Algar: Thank you.
by Holden Morrisey Caulfield November 12, 2008
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