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yum-yum
[yum-yum] {interj.}, {informal} - Used usually by or to children, to […]

ни пуха ни пера!
[ни пуха ни пера!] {interj.} [ni `pukha ni pe`ra] {literally} (wish […]

сколько лет, сколько зим!
[сколько лет, сколько зим] {interj.} Used to express a delight when […]