someone who is injury prone or weak. someone who suffers injury when they endure mild physical contact.
BRFC member1: "hey man, did you hear sam ashworth's wrecked his shoulder AGAIN?!"
BRFC member2: "haha that kid is made of glass! shoulder, shoulder, concussion, knee, thumb, concussion, ribs and now his shoulder again? he should quit playing rugby, he's just not cut out for it!