When two people, at least one being male, have oral sex and the person sucking cannot see the penis of their partner. This is known as hammerhead sharking because a
hammerhead shark has eyes facing sideways and would not see a penis sticking out of their mouth. It is also a
play on words as "head" is
another word for oral sex.
Brown and Roberto see each other
in the middle of a sidewalk. They advance toward each other and start with a handshake. "
What's up my nigga!" Says Brown. "Hey! I've been doing fantastic.
Yesterday evening, my girl and I were hammerhead sharking!" Says Roberto. "Dang nigga!" Exclaims Brown.