Cocksucker: Meaning, Sexual Insult, Fellatio, and Consent
Cocksucker is a highly vulgar term that literally refers to someone who performs fellatio but is more commonly used as a sexualized or homophobic insult.
Sucking Off (Slang): Meaning, Oral Sex, Usage, and Consent
Sucking off is vulgar slang for performing oral sex on a penis and is similar in meaning to giving head, a blow job, or fellatio.
Knob Job (Slang): Meaning, Oral Sex, Usage, and Consent
Knob job is uncommon British vulgar slang for oral stimulation of a penis and has approximately the same meaning as blow job or fellatio.
Head (Slang): Meaning, Oral Sex, Usage, and Consent
Head is informal sexual slang for oral sex, especially oral stimulation of a penis, as used in phrases such as give head and receive head.
Going Down (Slang): Meaning, Oral Sex, Usage, and Consent
Going down is informal slang for performing oral sex on someone, although the phrase also has several common nonsexual meanings.