1) Move suddenly and repeatedly 2) Rosa in David Copperfield 3) Shoot forth repeatedly 4) Shoot in and out 5) Thrust at repeatedly Found on https://www.crosswordclues.com/clue/dartle
Dar'tle transitive verb & i. To pierce or shoot through; to dart repeatedly: -- frequentative of dart . « My star that dartles the red and the blue.» R. Browning. Found on http://www.encyclo.co.uk/webster/D/7