[battari ; battan](adv, adv-to) (1) (on-mim) with a clash; with a thud; with a bang; with a flop; plump; (2) (on-mim) unexpectedly (meeting someone); (3) (on-mim) suddenly (ending); abruptly (coming to a halt)[Add to Longdo]
[なにげに, nanigeni](adv) (1) (col) inadvertantly; for no special reason; (2) truthfully; unexpectedly; (3) after realizing; without knowing[Add to Longdo]