Horizontal Mambo Meaning

(idiomatic, euphemistic) Sexual intercourse.

Example: 2007, "Producer hit with sex suits," St. Petersburg Times, 29 Dec. (retrieved 19 Dec. 2008):
  She says Peters continually harassed her, touching her breasts and buttocks, tried to push her onto a bed when he was naked, tried to kiss her breasts and offered her money for the horizontal mambo.