Biscuit bones
A medical condition of someone prone to getting injured very easily and/or often.
Richard dislocated his shoulder whilst sleeping because he has biscuit bones.
biscuit bones
A medical condition where the subject is highly prone to injury in even the lightest of physical activities. This is probably due to having bones that are brittle like biscuits; hence the term.
Person 1 : How did Rick dislocate his shoulder?
Person 2: He did it whilst sleeping; he's got proper biscuit bones.
Person 2: He did it whilst sleeping; he's got proper biscuit bones.