Verb double up has 3 senses
- double over, double, double up - bend over or curl up, usually with laughter or pain; "He doubled and vomited violently"
--1 is one way to bend, flex
Sample sentence:
Somebody ----s
- double up - share a room or a bed designed for only one person
--2 is one way to share
Sample sentences:
Something ----s
Somebody ----s
- parlay, double up - stake winnings from one bet on a subsequent wager
--3 is one way to bet on, back, gage, stake, game, punt
Sample sentences:
Somebody ----s something
Somebody ----s on something
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