The bulk update request #10844 is pending approval.

create alias hand_wave (8) -> waving (9541)
create alias hand_waving (25) -> waving (9541)
create alias waving_hand (726) -> waving (9541)

Reason: Can be flipped if people thing one of these is the best, but for now we have 4 tags all for hand waving and they should be consolidated.