The crossword solution for the term TIME OUT! HAND SIGNAL is TEE, which stands for the hand signal of putting both hands together in the shape of a 'T' to indicate a timeout. This hand signal is commonly used in sports such as basketball, football, and hockey, as well as other activities, to indicate that the game or activity should be paused. It is also used in other contexts, such as when someone needs a break from a conversation or situation.