deficient vs ham-and-egger

deficient

• A person who is deficient. 

• Insufficient or inadequate in amount. 

• Lacking something essential; often construed with in. 

• Of a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n). 

ham-and-egger

• A worthless or undesirable person. 

• An ordinary person; a simpleton. 

• A failed boxer; a tomato can. 

• A preliminary wrestler; a jobber.