Oral sex is when a person uses his or her mouth to sexually stimulate the genitals of another person. Oral sex given to a girl usually means licking or sucking the clitoris and other parts of the vulva (external genitals). It's also called cunnilingus. You've probably heard it called "eating out.” Oral sex given to a guy usually means sucking or licking the penis. It's called fellatio. You've probably heard it called other things, like "blow job."

Slang words can be confusing because their meanings are not always clear. For example, "blow job" has nothing to do with blowing; "eating out" does not involve chewing. And certain slang words may be offensive to some people.

There is no "right" way to perform oral sex on a male or a female because different people enjoy different things. The specifics need to be explored by each pair of people with a little creativity and a lot of honest communication. That means you have to try different things and ask your partner what he or she likes.