KARK IT to die ...1977 Aust. sl.
KEEP-UP anyone who looks after the home; a maid ...1970s US Black sl.
KEGMEG an intimate conversation ...L19 sl.
KIDDIEWINKIE a child ...1957 sl.
KING-FISH the person in charge ...1933 US sl.
KITE-FLYING testing public opinion by circulating rumours, etc.
KITE-FLYING the juggling of cheques between accounts so as to create a sham balance of funds on which to draw
KNOBBY stylish; smart, elegant, fashionable, good, capital ...Bk1913-17 Amer. dial.
KNOCK BOOTS (WITH) to have sexual intercourse (with)
...1980s US Black & campus sl.
KNOCK CUCKOO to knock out ...1920s US sl.
KNOCK-BEETLE one who allows themselves to be victimized ...20C Ulster sl.
KNOCK-DOWN MONEY tips or gratuities ...M19 US sl.
KNOW ENOUGH TO LAP SALT to have common sense ...Bk1913-17 Amer. dial.
KNOWLEDGE BOX a schoolhouse ...Bk1913-17 Amer. dial.
LABIOMANCY lip-reading ...1686
LABION one who has large lips ...1650 obs. rare
LABORATE to produce or develop by labour ...1662 obs. rare
LABROSE having large lips ...1727
LABYRINTHED full of complications ...1650 obs. rare
LACHRYMALS fits of weeping ...1753
LACHRYMATE to lament, to weep ...1623 obs.
LACINIOUS full of folds or windings; hence, overloaded, redundant ...1652 obs.
LACK-ALL one who is in want of everything ...1850
LADES' TAILOR a womanizer; a promiscuous man ...19C sl.
LADIES' DELIGHT the penis ...19C sl.
LADIES' LOLLIPOP the penis ...19C sl.
LADIES' PLAYTHING the penis ...19C sl.
LADYBIRD a prostitute ...16C sl.
LADYFIED affecting the airs of a fashionable lady ...E17 sl.
LALLAPALOOSA a stylish person; something pleasing ...Bk1913-17 Amer. dial.
LEG CASE a man who ran from combat ...US Civil War usage
LETTER A prime; first-class; of the best ...1833 sl.
LIKE THE MILL TAIL O' THUNDER in a swift, disorderly, and excited manner
...Bk1913-17 Amer. dial.
LIP LOBS talk; chatter ...Bk1896 sl.
LITTLE SHAVER a boy ...1854 sl.
LOCOED crazed, or crazy mad ...Bk1913-17 Amer. dial.
LOLLYGAGS airs, affectations, love-making ...Bk1913-17 Amer. dial.
LONG-NECKER a bottle of hard liquor ...Bk1913-17 Amer. dial.
LOPPUS a large, clumsy person or animal ...Bk1913-17 Amer. dial.
LOPSYWISE (adv.) in a lopsided manner ...Bk1913-17 Amer. dial.