SUMBF
Super Ultra Mega Best Friend
The level of friendship above Best Friend
Pronounced 'Some - fff'
The level of friendship above Best Friend
Pronounced 'Some - fff'
"Hey Tia, thanks for being my SUMBF"
" My SUMBF forgot to login so I had to retype this whole thing."
" My SUMBF forgot to login so I had to retype this whole thing."