1. present participle of 'deuce': to tie a game or match at deuce (in tennis, a score of 40–40)
Usage: sports; tennis

1. used as a mild oath or exclamation expressing annoyance or surprise
Usage: informal; dated; euphemistic

Examples

• The match kept deucing back and forth until one player finally won the tiebreaker.
• They were deucing at 40–40 when she hit an ace.
• What a deucing mess this turned out to be!
• That's a deucing difficult problem to solve.
• The score was deucing repeatedly in the final set.