cream puff vs deficient

cream puff

• A weak or ineffectual person. 

• An old motor vehicle in especially good condition. 

• A light, hollow pastry typically filled with cream or custard. 

• A weak hit. 

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).