n. & v.
n. silly nonsense; twaddle.
v. (drivelled, drivelling; US driveled, driveling) 1 intr. run at the mouth or nose; dribble. 2 intr. talk childishly or idiotically. 3 tr. (foll. by away) fritter; squander away. driveller n. (US driveler).
[ OE dreflian (v.) ]