What's a hoodle-whip

Mommy to the girls: Let's go get something to eat.
Gracie: But Mommy, I look like a hoodle-whip.
Mommy: What's a hoodle-whip?
Gracie: That thing you always call us when we don't match.
Mommy: Oh, a hoodlum. (Mommy finally looks up from the computer.) Yes, you look like a hoodlum. We'll go through the drive-through.