The term 'THAT's Gotta Hurt!' is an expression used to express sympathy or empathy for someone who has experienced a painful event. The crossword solutions for this term are OOH (3 letters), OUCH (4 letters), OOF (3 letters), and OOOH (4 letters). All of these words are onomatopoeic expressions used to express pain or discomfort. OOH is a sound of surprise, OUCH is a sound of pain, OOF is a sound of impact, and OOOH is a sound of prolonged pain.