LFR definitions

Lfr

1) Idle shoe
Found on https://www.crosswordclues.com/clue/lfr

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LFR

abbreviation: Low Frequency Range (LF radio airway/approach aid superceded by VORs and NDBs [or LOC and ILS], respectively)
Found on http://www.encyclo.co.uk/local/20021

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lfr

Laughing for real
Found on http://www.noslang.com/dictionary/l/

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