1 definition 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!"

by C. Shells November 30, 2013