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Use "fretter" in a sentence
"Bon d'un autre coté il maitrise super bien les Hammer-on et Pull-off donc il peut se permettre de "fretter" a deux mains!!"
"Someone has said that a wasp is a comfortable house-mate in comparison; it only stings when disturbed, but a habitual, discontented fretter stings with or without provocation."
"But even by American Jewish standards, Sendak is a world-class fretter."