bill:hey bob, you're a total dick  bob:yea, well why don't you go (simulates filatio) brush your teeth
an insult in which you tell someone to brush their teeth while making a masturbation gesture toward your mouth, simulating oral sex and teeth brushing at once
"bill:hey bob, you're a total dick  bob:yea, well why don't you go (simulates filatio) brush your teeth" What is the definition of "brush your teeth"?