fa shigadee
A wild way of saying, 'for sure,' but with zero effort. You use it when you're too busy being lazy to say anything else.
I'm gonna finish this game fa shigadee, even though I'm losing.
She said she'd show up fa shigadee, and she didn't even text me.
I'm gonna eat that whole cake fa shigadee, and I don't care if I get a stomachache.