cut class

cut class idiom
Absent oneself from a class or other, usually mandatory event, as in If he cuts one more class he'll fail the course. [Late 1700s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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