Xx x noun an empty railway wagon US, 1946 X noun 1 MDMA, the recreational drug best known as ecstasy. Generally an abbreviated ‘ecstasy’ specifically used of any MDMA tablet stamped with a symbol that may be read as an X US, 1988. 2 marijuana UK, 2003. 3 in blackjack, any card worth ten points. A Roman numeral used by card counters US, 1991. 4 a cross-breed of a dog CANADA, 1997. 5 a grip on all illegal gambling US, 1974 8see: GENERATION XER. < the X in the circus or carnival, exclusive rights for an item or concession US, 1980 X verb to take MDMA, the recreational drug best known as ecstasy US, 1985 X adjective 1 annoyed, irritated, angry. A pun on ‘cross’ UK, 1962. 2 in drag racing, experimental. The designation FX means an experi- mental car from a factory; MX means an experimental component from a manufacturer US, 1970 x-double-minus adjective very bad. Alluding to a non-existent grading scale US, 1968 x-dressing noun cross-dressing UK, 2003 Xer noun 8see: GENERATION XER X-Files noun haemorrhoids. Rhyming slang for PILES,formedonUS television science-fiction/conspiracy drama The X-Files first broadcast in 1993 UK, 1998 X-Files E noun a tablet of MDMA, the recreational drug best known as ecstasy, branded with a borrowed logo. After The X Files, a cult science fiction televison programme from the mid-1990s, playing on X (E) UK, 1996 x-ing noun MDMA, the recreational drug best known as ecstasy UK, 1998 X marks the spot used as a caption or legend to a specific location (marked with a cross) on a map or in a photograph. Of catchphrase status although rarely spoken. Familiar uses include: the scene of the crime, a hotel window on a postcard and pirate treasure maps UK, 1968 Xmas noun Christmas. Pronounced ‘Exmas’. Originally pronounced as ‘Christmas’, derived from Greek, the initial letter of Christos, yet is generally presumed to be a coinage of modern marketing and, while widely recognised, remains an unconventional usage UK, 1755 X queen noun a homosexual male who is a frequent user of MDMA, the recreational drug best known as ecstasy US, 1994 x-ray eyes noun the sense of intuition of a poker player who can ascertain the hands held by other players US, 1988 X-row noun the area in a prison housing inmates condemned to death US, 1992 xs and os noun the basic elements of a plan. From play diagrams in basketball, football or other sports, in which the xs represent the players of one team, and the os represent players of the other US, 1984 XT C noun MDMA, the recreational drug best known as ecstasy. Pronounced ‘ecstasy’ US, 1985 Xvidnoun a sexually explicit video US, 1992 XX noun a twenty-dollar note US, 1982 XY noun a spouse. A mutual abbreviation from XYL (a wife) and XYM (a husband) US, 1976 XYL noun a wife. A partial acronym: ‘ex-young lady’ US, 1976 XYM noun a husband. A partial acronym: ‘ex-young-man’ US, 1976 XYZ noun a citizens’ band radio user of undiscovered gender; hence, a homosexual. By extension from XYL (a wife) and XYM (a husband) US, 1976 XYZ used to alert someone that their fly zipper is open. A partial acronym: ‘examine your zippers US, 1999 . Originally pronounced as ‘Christmas’, derived from Greek, the initial letter of Christos, yet is generally presumed to be a coinage of modern marketing and, while widely recognised, remains an unconventional. 1988 X-row noun the area in a prison housing inmates condemned to death US, 1992 xs and os noun the basic elements of a plan. From play diagrams in basketball, football or other sports, in which the xs. adjective very bad. Alluding to a non-existent grading scale US, 1968 x-dressing noun cross-dressing UK, 2003 Xer noun 8see: GENERATION XER X-Files noun haemorrhoids. Rhyming slang for PILES,formedonUS television