The term 'PLAYGROUND CRY' can be broken down into two crossword solutions: WHEE (4 letters) and MOMMY (5 letters). WHEE is an expression of joy or excitement, usually uttered by children. It is often heard in playgrounds when children are having fun. MOMMY is a term of endearment used to refer to one's mother. It is commonly used by young children when they are seeking comfort or attention from their mother.