a very banal archetype in the form of a famous person someone will use in order to join in on a conversation, despite the fact that they know nothing about said topic.
Soccer? Oh yeah, Lionel Messi! He's my boy!
Rock music? Oh yeah Dave Grohl is my boy!

Hockey? I love Sidney Crosby! He's my boy!

Pokemon? Pikachu is my boy! best one besides Charizard.

Cooking? Gordon Ramsay is my boy!

Nascar? I watch every race! Jeff Gordon is my boy!
by the verb to heh November 29, 2014
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Slang referring to a male's testicles.
"My boys are sweating, that's how hot they are."
- Shaquille O'Neal
by ...WeSpeakTheTruth... March 15, 2019
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my (home)boy
My (home)boy Justin just shot me a text from the 415. That's my boy.
by RobRush July 16, 2013
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My Boi ; One Real Ass Nigga Or Female Who Just You Fuck With The Long Way
"That's My Boi HotDog Hotdog "
by Hottie Draco October 12, 2017
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