The term 'That Feels Good!' can be represented by three different crossword solutions: AAH (3 letters), AHH (3 letters), and OOH (3 letters). These are all interjections that are used to express pleasure, satisfaction, or relief. AAH is a sound of surprise or delight, AHH is a sound of contentment or relaxation, and OOH is a sound of admiration or appreciation. All three of these sounds can be used to express the sentiment of 'That Feels Good!'