The crossword solutions for the term 'YOU LUCKY ___!' are STIFF (5 letters) and DOG (3 letters). The phrase 'You lucky STIFF!' is an expression of surprise or admiration, usually used when someone has been fortunate enough to receive something unexpected. It is also sometimes used sarcastically when someone has received something undeserved. The phrase 'You lucky DOG!' is a more lighthearted expression of admiration, usually used when someone has been fortunate enough to receive something desirable.