Answer:
"You got it, dude"
Explanation:
I've watched the Full House Tv Series/Movie, and this should be it. You will hear Michelle say this, and this means that Michelle has approved something. DJ, Stephanie, and sometimes Kimmy will shout this phrase to Michelle over the phone.
Hope this helps :)
Edit: Whoops, here ya go bud. I attached the catch phrase list, I can't remember Stephanie's though.
