The person in your life who will always, at any time of the day or night, regardless of current circumstances, drop whatever they are currently doing, and go to Taco Bell with you.

See also: Bell Buddy Forever
I was so hangry after the bars closed last night, I called up my Bell Buddy and we chowed down on some tacos.
by Lunchbox333 February 27, 2020
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Among the numerous Bell Buddies that you may have, your Bell Buddy Forever is the one that you know will always be your most steadfast Bell Buddy, who will always make a Taco Bell run with you, so long as they still have breath in their lungs.
I called up my BBF (Bell Buddy Forever) last night, and snarfed up some double-stacks!
by Lunchbox333 February 28, 2020
Get the Bell Buddy Forever mug.
Among the numerous Bell Buddies that you may have, your Bell Buddy Forever is the one that you know will always be your most steadfast Bell Buddy, who will always make a Taco Bell run with you, so long as they still have breath in their lungs.
I called up my BBF (Bell Buddy Forever) last night, and snarfed up some double-stacks!
by Lunchbox333 February 28, 2020
Get the Bell Buddy Forever mug.