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Lachen mit yash-tsherkes - Forced or false laugh; laugh with anguish
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Laidik-gaier - Idler, loafer
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Lamden - Scholar, erudite person, learned man
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Lang leben zolt ir! - Long may you live!
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Lantsman - Countryman, neighbour, fellow townsman from "old country."
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Lapeh - Big hand
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(A) Lebedikeh velt! - A lively world!
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(A) Lebediker - Lively person
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(A) Leben ahf dein kop! - Words of praise like; Well said! Well done! (Lit., A long life upon your head.)
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Lebst a chazerishen tog! - Living high off the hog! Newly rich life.
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L'chei-im, le'chayim! - To life! (the traditional Jewish toast); To your health, skol
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Leibtzudekel - Sleeveless shirt (like bib) with fringes, worn by orthodox Jews
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Leiden - To suffer
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Lemeshkeh - Milquetoast, bungler
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Leveiyeh - Funeral
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Lig in drerd! - Get lost! Drop dead! (Lit., Bury yourself!)
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Ligner - Liar
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Litvak - Lithuanian; Often used to connote shrewdness and skepticism, because the Lithuanian Jews are inclined to doubt the magic powers of the Hasidic leaders; Also, a person who speaks with the Northeastern Yiddish accent.
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Loch - Hole
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Loch in kop - Hole in the head.
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Lokshen - Noodles, but often meaning 'nonsense' or bullshit
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Loz mich tzu ru! - Leave me alone! (Lit., Let me be in peace!)
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Luftmentsh - Person who has no business, trade, calling, nor income.
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Luch in kup - A hole in the head ( " I need this like a luch in kup").
