Behaviour that may not actually be straight up grassing (informing/snitching) but is not far off it. The sort of behaviour that indicates you are or would likely be a grass/snitch.
âDid you see him help that policeman with directions?! Proper grassyâ¦â
âDid you really get a picture took with old bill at carnival? Bit grassy that mateâ¦â
âNa I donât want my kid to play with the police car toy, too grassy, we donât roll with feds in any shape or formâ
âWhy you moaning about benefits cheats on your Facebook when you never paid tax in your life anyway, grassy behaviourâ