WordNet sense 1 (flowing in drops; the formation and falling of drops of liquid):

drip, trickle

WordNet sense 2 (saliva spilling from the mouth):

drivel, drool, slobber

WordNet sense 3 (run or flow slowly, as in drops or in an unsteady stream):

filter

WordNet sense 4 (let or cause to fall in drops):

drop

WordNet sense 5 (propel):

carry

WordNet sense 6 (the propulsion of a ball by repeated taps or kicks):

dribbling

WordNet sense 7 (let saliva drivel from the mouth):

slaver, slabber, slaver