[Woo-hoo!]

The phrase “Woo-hoo!” is commonly used to express excitement, happiness, or triumph. When someone achieves something that they have been working towards or experiences a positive outcome, they may celebrate by making a fist and thrusting it into the air in a gesture known as a “fist pump.” Therefore, the crossword question “[Woo-hoo!] is FISTPUMP” is indicating that these two phrases are interchangeable – they both represent a positive and celebratory feeling.