Meaning

noun a fricative sound (especially as an expression of disapproval)

noun a complete failure

verb end weakly

originAttested in English since 1525-35. From earlier fysel (“to fart”). Related to fīsa (“to fart”). Compare with Swedish fisa (“to fart (silently)”). See also feist. It could also come from old Norse: "fise" simply means "blow," like in "blow in the wind." A weather-exposed community in Rogaland, Norway, is called Fister. (In modern language, the verb "fisle" has the same 3 meanings as in English,…

Etymology from Wiktionary, CC BY-SA 3.0