Definitions

1. noun

oral sex performed on a male, typically involving the stimulation of the penis with the mouth, lips, or tongue.

“The therapist emphasized the importance of safe and consensual sex, including fellatio, in the relationship.”

2. noun

oral sex performed on a male.

“The study explored the prevalence of fellatio and other forms of oral sex in modern relationships.”

3. verb

to perform oral sex on a male.

“He was accused of fellating his colleague in the office.”