A true blue
A true blue is someone who’s got your back through thick and thin. They’re like a ride or die, and they’ll fight for you even if you’re being a complete idiot.
'You're my ride or die, no matter what.', @TrueBlueFriend
Message from True Blue: 'I’ll fight for you even if you’re being a total mess.'
True Blue at the bar: 'You’re my ride or die, no matter what.'