Sentence:  Ramos had locked Salah's right arm and turned him, judo-style, as they lost balance going for the same ball. Television replays hardened the suspicion it was a calculated move on Ramos's part and, when Salah landed with a hell of a <WSD>thud</WSD>, the damage was considerable. 
Meaning of the word marked with <WSD> tags:  The sound of a dull impact.