bet a dollar to a doughnut
Verb
Meaning
bet a dollar to a doughnut (third-person singular simple present bets a dollar to a doughnut, present participle betting a dollar to a doughnut, simple past and past participle bet a dollar to a doughnut)
(figuratively, mildly humorous) To declare with confidence.
Synonyms
bet the farm
a pound to a penny
take to the bank
bet a dollar to a dime
bet one's boots
bet one's bottom dollar