double up

Definitions of double up
  1. verb
    bend over or curl up, usually with laughter or pain
    synonyms: double, double over
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    type of:
    bend, flex
    form a curve
  2. verb
    share a room or a bed designed for only one person
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    type of:
    share
    use jointly or in common
  3. verb
    stake winnings from one bet on a subsequent wager
    synonyms: parlay
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    type of:
    back, bet on, gage, game, punt, stake
    place a bet on
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