'Oh, What the Heck' is an expression of surprise or disbelief. It is often used when someone is faced with a difficult decision or situation and decides to take a risk. The two crossword solutions for this term are 'SURE' and 'WHYNOT'. 'SURE' is an affirmative response that implies agreement or acceptance. 'WHYNOT' is an expression of willingness to take a chance or try something new. Both of these words capture the sentiment of the phrase 'Oh, What the Heck' and can be used to express a sense of surprise or willingness to take a risk.