sting like a butterfly, punch like a flea

Meaning: a botched attempt to use Muhammad Ali's famous catchphrase - "Float like a butterfly, sting like a bee"

You gon' git yerself a butt-whoopin' if you start ta runnin' that mowrth of yers again! I sting like a butterfly, punch like a flea, so you sure as heck don't wanna mess with me.