Chomp/tʃɑːmp/ Definition 1 of 2Pro Tip 1/3Audible Eating Use 'chomp' when describing loud, audible biting typically heard during eating. He chomped on the celery, creating a noisy eating environment. Pro Tip 2/3Informal Tone 'Chomp' is casual and often used in informal conversations or writings. During the picnic, we all chomped on juicy watermelon slices. Pro Tip 3/3Vigorous Action 'Chomp' implies an energetic or forceful action, more than a gentle nibble. The puppy chomped on its toy with playful energy.