SmegLeg can be used to refer to someone with leg problems. Along with this it can also be used as an insult, nickname and general term for someone from a poor background
For example, Ryan was called Smeg Leg due to having leg problems and coming from a rough background
unknown composition of ditritus and gunge left on much used keyboards/mouse usually @ work- what is it? and where did it come from? is it known to science yet?
Fuk me there's so much qwerty smeg on that keyboard I can't see the letters.
Or - the mouse won't work properly coz it's blocked with qwerty smeg