(Canada, US) Said as a request to repeat information. / (Canada, US) Said, as though as a request to repeat information, in order to indicate disbelief or indignation.

An old-fashioned type of dance where partners are constantly changed.

Alternative form of it's all Greek to me

(idiomatic, dated, UK, Ireland) An expression of mild surprise.

(Australian Aboriginal) we, us

(idiomatic, slang, offensive) An expression of discontent or aggravation to another party. / (idiomatic, slang) A taunting phrase, essentially meaning "I don't care".

(chiefly humorous) A person who is a miniature, but otherwise identical, version of a particular person.

(idiomatic) Sorry; said as an apology. / (idiomatic) Polite expression used to soften a contradiction. / (idiomatic, Canada, US) Polite expression to ask someone to repeat an utterance.

The jewelweed, Impatiens noli-tangere, Impatiens capensis, Impatiens parviflora. / The sensitive plant (Mimosa pudica). / The squirting cucumber (Ecballium elaterium). / (archaic) Lupus.

(idiomatic, humorous) Used to express agreement, after someone has already said "me too." Can be continued as "me four," "me five," and so on.