ultimate noun
in the coded terminology used in
advertising for sexual contact, full sexual
intercourse UK, 2006
• CPL, 35M, 28F(AC/DC) seek similar or
bi-fem for BDSM and ultimate[.]
—Ashley Lister, Swingers 2006

unbutton verb
< unbutton the mutton
to undo clothing and liberate the penis
AUSTRALIA, 1971
• I haven’t even had the chance to
unbutton the mutton!!! —Barry
Humphries, Bazza Pulls It Off! 1971

uncommon horn noun
an unusually urgent sexual appetite UK,
2001
• I have an uncommon horn [...] I have.
I’m randy as hell. —Kevin Sampson,
Outlaws 2001

uncunt verb
to withdraw the penis from a woman’s
vagina US, 1961
• [H]e could actually make her change
places with his wife, all without
un-cunting. —Henry Miller, Tropic of
Capricorn 1961

uncut adjective
not circumcised US, 1957
• We never fucked, with his uncut penis.
—Sandra Bernhard, Confessions of a
Pretty Lady 1988

unit noun
1 the penis US, 1985
The slang sense of the word gives special
meaning to the nickname ‘The Big Unit’
given to baseball pitcher Randy Johnson.
• MADONNA: Wow, look at the unit on
that guy. — Saturday Night Live 11th
May 1991
2 the vagina US, 1978
• These detectives here can look right
up a broad’s unit and check her lands
and grooves. —Joseph Wambaugh,
The Black Marble 1978

unload verb
(of a male) to ejaculate US, 1988
• I’d better be quick about it or else I’d
get discovered. I needed to unload
fast[.] —Howard Stern, Miss America
1995

unsliced adjective
not circumcised US, 1988
• —H. Max, Gay (S)language 1988