grasp at straws

grasp at straws idiom
Also, clutch at straws. Make a desperate attempt at saving oneself. For example, He had lost the argument, but he kept grasping at straws, naming numerous previous cases that had little to do with this one. This metaphoric expression alludes to a drowning person trying to save himself by grabbing at flimsy reeds. First recorded in 1534, the term was used figuratively by the late 1600s.

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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