You can’t dance at two weddings

you can't dance at two weddings (with one behind)

proverb You cannot do or accomplish two things simultaneously, so you must be decisive in choosing or pursuing one. From Yiddish. ("Behind" in this instance refers to one's buttocks. Other synonyms are often used, such as "rear end," "tuchus," "tush," etc.) The Prime Minister will have to make a decision on how to deal with this soon. You can't dance at two weddings with one behind. Look, either be with me here, or go take the job in London. It's your choice, but you can't dance at two weddings. I'm afraid you'll have to choose between playing football or being in the school band. Both require too much extracurricular time, and you can't dance at two weddings with one tuchus.
See also: dance, one, two, wedding
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

You can’t dance at two weddings

sent. You cannot do two things at once. Either go to the beach with Fred or stay here with me. You can’t dance at two weddings.
See also: dance, two, wedding
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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