to stroll about; to saunter; to wander; to hang around; to loiter (to walk about aimlessly).
夕方に町をぶらついて新しい店を見つけた。
I wandered around town in the evening and found a new shop.
宿題をせずに部屋をぶらついて時間を潰してしまった。
I wasted time wandering around my room instead of doing homework.
休日は図書館の周りをぶらつくのが好きだ。
I like to stroll around the area near the library on my days off.
to dangle; to swing; to hang loosely and sway.
ネックレスが歩くたびに首元でぶらついて気になる。
The necklace dangles and swings at my throat every time I walk, which bothers me.
電車の扉の上の表示板が外れてぶらついていた。
The display panel above the train door had come loose and was dangling.