Someone in the armed forces who is either on the sick, medically downgraded or cannot participate in planned physical training. Can also be used to describe someone who although physically 100% fit is incapable of completing simple manual tasks, e.g. running, marching etc
The limbs have taken on the constancy of a noodle, floppy and with no bone structure.
Someone who is afflicted with Noodle Limbs then becomes a Noodler
e.g. someone who spends their day Noodling
around not achieving anything constructive.