Definitions by C. Shells

sybdi 

Acronym.
Smash Your Back Doors In.

Originated in Suffolk with the Rosey Posey Rainbow Unicorn man. Now in common use with Anglians around the country.

Used as a note of endearment or one-upmanship.

"Love you, cuntface. Sybdi."
"I win! SYBDI!"

sybdi by C. Shells November 30, 2013