imply audible_internal_cumshot to sound

BUR #10300 has been approved by @nonamethanks.

create implication audible_internal_cumshot -> sound

gotta hear that spurt spurt squish

Sound is automatic tag, isn't it? We don't need to alias anything to it.

pantsukiller said:

Sound is automatic tag, isn't it?

Only because I have a bot adding it daily.

The bulk update request #10300 (forum #212499) has been approved by @nonamethanks.