[ He's more or less prancing down the sidewalk, one arm swinging a bag of goods into the nearby buildings. He's not really expecting to see anyone around at this time, so when he turns the corner and sees Kitty, he's got enough momentum that he doesn't quite stop when his body does.
He wobbles a little, but still bumps into the building nearby. Of course, in a second he's straightened up like absolutely nothing has happened, both brows arched at Kitty. She's walking around, outside, dressed like that? ]
Yer throwin' off my brakes with all them curves! Yer not off to a shag, are ya?