A cuck is a man whose wife sleeps with other men.
A nugget is a man who has no limbs.
A cucknugget is a man whose wife sleeps with other men, and cannot physically stop her from doing so because he has no arms or legs.
The cucknugget shed a single tear, his limbless torso propped up against the sofa, forced to watch his wife being passionately pounded by the strappingyoung man.
A gentleman of small stature who acts like a dick. Typically has a napoleon complex, which may be remedied by driving a large vehicle or owning a horse.