trip-trap

Interjection

1. Representing the sound of walking on a hard surface.
   • First of all came the youngest Billy-goat, and was going over the bridge. Trip trap, trip trap, went the bridge. "Who is that tripping over my bridge?" shouted the troll.1886, Peter Christen Asbjø￵rnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 141

Verb

trip-trap (third-person singular simple present trip-traps, present participle trip-trapping, simple past and past participle trip-trapped)

1. (intransitive) To make stomping or tapping noises while walking or running.
   • Ramona trip-trapped joyfully all the way to the parked car, and when she reached home she trip-trapped up and down the hall and all around the house.2002, Beverly Cleary, The Best of Ramona
2. (rare, transitive) To cause one to trip-trap.
   • Her lips parted, Freeman was suddenly triptrapping, no, she was triptrapping him, and then they were triptrapping together […]2014, Scott Nicholson, The Home: A Supernatural Thriller