Getting head refers to oral sex performed on a penis. It is a very common sex act; more than 85% of sexually active adults say they've had oral sex at least once. As a slang term for fellatio, giving head is believed to have emerged in the 1950s. The term also appeared in several hit songs in the 1970s.
More About Getting Head
There are many terms that refer to oral sex performed on a penis, including cock sucking, giving a blow job and giving brain. A penis does, in fact, have a head, but exactly how this term originated is not known. Sexual terms are a common part of vernacular and tend to shift with the culture.
