thwap

1. The sound of a heavy smack.

   THE COMPLETELY MAD DON MARTIN, a two-volume honker that includes every drawing Martin ever published in the magazine, answers the question with a definitive thwap: Martin's cartoons are still weird.

   2007 December 2, Stephanie Zacharek, “Mad”, in New York Times

present singular third person thwaps · participle present thwapping · participle past thwapped · past thwapped

1. To make, or cause to make, a heavy smacking sound.

   Reflectors in the road thwapped beneath the tires, setting a regular, almost reassuring pace.

   2004, Anthony Doerr, About Grace, page 241