the two on dice or playing cards
a doctored die having two deuces
the score of 40 all in a game, at which each player needs two consecutive points to win the game
the Swede pegged him back to deuce from 40-love
a marathon game that went to eleven deuces
used as a euphemism for ‘devil’ in expressions of annoyance, impatience, surprise, etc.
how the deuce are we to make a profit?
what the deuce are you trying to do?