The one boy who will take on any role in a girl's life. Usually an attempt to be unofficially a permanent part of her life.
When you're taken, he often is the best guy friend.
When you're dating a loser, he breaks you both up.
When there's trouble, he's the big brother.
When you're single, he will often date you as long as you have no one. Occasionally can turn into very intense flirting.
Can be sexy, kind, funny, talented, stylish, passionate, romantic, even adoring or very attractive.
Quite often is charming and extremely kind but has a low chance of being married due to a complex issue in his life.
Every girl needs a multi-purpose best boy.
When you're taken, he often is the best guy friend.
When you're dating a loser, he breaks you both up.
When there's trouble, he's the big brother.
When you're single, he will often date you as long as you have no one. Occasionally can turn into very intense flirting.
Can be sexy, kind, funny, talented, stylish, passionate, romantic, even adoring or very attractive.
Quite often is charming and extremely kind but has a low chance of being married due to a complex issue in his life.
Every girl needs a multi-purpose best boy.
Girl: My ex is being so mean!
Boy: I'll kick his ass! You just go get dressed up pretty and we'll go to the mall. When your ex is around, you can be clingy to make him jealous! Deal, sweets?
Girl: Oh yeah! I'll make sure I look really nice for him to see us in public!*I love my multi-purpose best boy!*
Boy: That's better! I'll spike my hair so we look good together. Hold on babe. :D
Girl 2: OMG! I need a guy like that!!!
Boy: I'm her multi-purpose boy so I'm taken!
Boy: I'll kick his ass! You just go get dressed up pretty and we'll go to the mall. When your ex is around, you can be clingy to make him jealous! Deal, sweets?
Girl: Oh yeah! I'll make sure I look really nice for him to see us in public!*I love my multi-purpose best boy!*
Boy: That's better! I'll spike my hair so we look good together. Hold on babe. :D
Girl 2: OMG! I need a guy like that!!!
Boy: I'm her multi-purpose boy so I'm taken!
by ArcticIceAngelFlames April 6, 2011
Get the Multi-purpose best boymug. Just riri. i love him with my entire heart and he deserves the whole world cuz he
the sweetest lil boy on earth.
the sweetest lil boy on earth.
by minimimi2s September 2, 2020
Get the Riri best boy <3mug. 
The day that you spend with your boy bestfriend and celebrate the time you’ve been together and share great memories and funny ones and have a good laugh
Stranger: What day is it?
Bestfriend 1: didn’t you hear?
Stranger: no..?
Bestfriend 1: Well... ITS NATIONAL BOY BEST FRIEND DAY!!! You should go celebrate
Bestfriend 1: didn’t you hear?
Stranger: no..?
Bestfriend 1: Well... ITS NATIONAL BOY BEST FRIEND DAY!!! You should go celebrate
by National Boy Bestfriend Day December 1, 2019
Get the National Boy Best friend Daymug. by shxhiewif September 13, 2022
Get the best boymug. 
A phrase to describe a strawberry roan horse. Who behaves like an angel and is an absolute legend. Such a horse should be treated like the king he is.
by Spidersno1fan December 14, 2020
Get the best boy spidermug.