To make up a word, action or dance that is goofy...Goofinate
She was on her game that night, making shit up...a true and glorious goofinater.
When you’re tweakin but it’s chill
“Bro are you good”
“I’m goofin bro we good”
a description of someone that is either silly or fucking retarded or rather foolish
person 1:hehe doy doy doy
person 2:YO THIS NIGHA IS GOOFIN
when someone is such a goof that you just can't with them anymore
P1: Did you know Jake Paul got diagnosed with goofinitis?
P2: Oh no that's terrible.