oo-er
exclamation/ˌuː ˈɜː(r)/
/ˌuː ˈɜːr/
(humorous)- used for expressing surprise, especially about something sexualWord Originearly 20th cent.: from the interjections ooh and er.
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oo-er
Definition of oo-er exclamation from the Oxford Advanced Learner's Dictionary