Meaning

verb work with in an amateurish manner

verb to talk foolishly

verb speak with spotty or superficial knowledge

originThe verb is derived from Middle English smateren, smatteren, smater, smatere (“to make dirty, defile; to talk idly, chatter; to speak foolishly”); further etymology uncertain, compare the following: * Middle English smotten (“to corrupt, debase, defile”) (whence English smot (obsolete)), related to Late Middle High German smotzen, a variant of smutzen (whence modern German schmutzen (“to become…

Etymology from Wiktionary, CC BY-SA 3.0