bobble
noun
[ ˈbɒb(ə)l ]
• a small ball made of strands of wool used as a decoration on a hat or on furnishings.
• "a woollen ski hat with a bobble on top"
Origin:
1920s: diminutive of bob2.
bobble
verb
• move with a feeble or irregular bouncing motion.
• "some of those goals have bobbled in off the post"
• mishandle (a ball).
• "Andy bobbled the ball, so his throw home was too late"
bobble
noun
• a feeble or irregular bouncing motion.
• a mishandling of a ball.
• "a once-a-season bobble en route to a breakaway jam"
Origin:
early 19th century: frequentative of bob1.