over and under

/OW1 V ER0 AH0 N D AH0 N D ER0/
noun
  1. 1

    A double-barreled shotgun (or infrequently a rifle), with one barrel placed on top of the other.

  2. 2

    An obstacle in obstacle-course racing composed of multiple bars, with bars set at various heights, where the competitor must pass over high bars and pass under low bars.

  3. 3

    (slang) Synonym of speedball (โ€œtype of illicit drugโ€).