Meaning:
to wait or stand around with a blank look on one’s face, play/mischief with no clear reason

Usage Example:
男は仕事をせず、趣味もなく、ただあふらあふらと遊ぶばかりだった。 (The guy doesn’t work, has no hobbies but just plays around.)

Variations:
アフラアフラ

Notes:
used predominantly in and around Tokyo (東京の方言)