افاخ doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• افاخ Form 4

  4 افاخ ذ , (AZ, S, K,) inf. n. إِفَاخَةٌ, (Lth, AZ, S, IAth,) He (a man) emitted wind, (Lth, AZ, S, K,) with a sound, (AZ, S,) from the anus; (Lth;) and , aor. يَفُوخُ, inf. n. فَوَخَانٌ (K, TA) and فَوْخٌ, (TA,) signifi…

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• افاخ Form 4

  4 افاخ ذ , (L,) inf. n. إِفَاخَةٌ, (L, K,) He (a man, L) emitted wind from the anus, with a sound; (L, K;) as also : (L:) or he voided excrement with an emission of wind. (L, K.) [See also art. فوخ.] -b2- افاخ, said of a…

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