[mid-19C+] the penis, esp. of a young boy.
[1980s+] (US) a masturbator.
[1920s+] (US) a male homosexual fellator; a heterosexual fellatrix.
[1960s+] (US) a notional means of measuring the size of a penis, or the excitement it is experiencing.
[1930s] of a man, sexually active.
[20C+] (US) one who performs oral sex.
[late 19C+] a masturbator.
[1960s] (US black) a man who has sexual intercourse.
[1970s] to work as a homosexual male prostitute.
[1930s] of a man, to have sexual intercourse.