v. phr. , informal 1. To bet all you have. This horse will win. I would bet my bottom dollar on it. Jim said he would bet his boots that he would pass the examination. 2. or bet one's life . To feel very sure; have no doubt. Was I scared when I saw the bull running at me? You bet your life I was!
BET ONE'S BOOTS
Meaning of BET ONE'S BOOTS in English
American idioms English vocabulary. Английский словарь американских идиом. 2012