few sandwiches short of a picnic

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a few sandwiches short of a picnic

1. (idiomatic) Exhibiting disquiet or unsoundness of mind; not sane; mad.

   Synonyms: see Thesaurus:insane

   I think the lady down the road is a few sandwiches short of a picnic—you often hear strange bangings at odd hours in the morning.

   • 2013, A. American, Surviving Home, Penguin, →ISBN, page 238:

     He said to hang on, then went to his bike and came back with a black case. When he opened it I suddenly thought I was dealing with someone a few sandwiches short of a picnic.

   • 2014, Sheila Connolly, Scandal in Skibbereen, Penguin, →ISBN, page 216:

     “He was a nice fellow, but we all know he was a few sandwiches short of a picnic.”

• See Appendix:Snowclones/few X short of a Y