Dirty Borris
A Dirty Borris is when you pull back your foreskin as far as it will go, rub dog shit under and around your helmet and offer it to your partner for oral pleasurings.
"Dave, your wife has brown teeth"
"Yes Frank, that's because I Dirty Borris'd fuck out of her this morning".
"Yes Frank, that's because I Dirty Borris'd fuck out of her this morning".