IOU 
/ˌaɪˌoʊˈju:/ noun
plural IOUs /ˌaɪˌoʊˈju:/ noun [count] informal : a usually written promise to pay a debt
▪ I don't have any cash, so I'll have to give you an IOU. — often used figuratively ▪ The governor has acquired some political IOUs over the years. [=other people owe the governor political favors] ◊IOU is from the pronunciation of the phrase “I owe you.”
▪ I don't have any cash, so I'll have to give you an IOU. — often used figuratively ▪ The governor has acquired some political IOUs over the years. [=other people owe the governor political favors] ◊IOU is from the pronunciation of the phrase “I owe you.”
