safety word
term used in bondage play with one or more partners which lets the partners know that play needs to stop or slow down immediately. A safety word can be any word a person desires, all partners should know everyone's safety words before starting play.
Her safety word was 'ballet', I tightened my grip on her throat and watched for the movement of her lips to tell me she'd had enough.
safety word by Dezmene May 23, 2006