I. bob ‧ ble 1 /ˈbɒb ə l $ ˈbɑː-/ BrE AmE noun [countable]
British English a small soft ball, usually made of wool, that is used especially for decorating clothes:
Her pullover had bobbles on the front.
—bobbly adjective
II. bobble 2 BrE AmE verb
[ Date: 1800-1900 ; Origin: ⇨ ↑ bob 1 (1) ]
1 . [transitive] American English to drop or hold a ball in an uncontrolled way SYN fumble
2 . [intransitive] British English if a piece of clothing bobbles, especially a sweater, it forms little balls on the surface of the cloth after it has been worn or washed SYN pill American English