What is Cuff ?
Cuff is (noun) 1. the end of the sleeve round the wrist The collar and cuffs of his shirt were dirty and frayed. speaking off the cuff, an off-the-cuff speech a speech made without notes He was only asked to speak at the last minute, and, for an off-the-cuff speech, it was excellent. 2. US a folded part at the bottom of each leg of a pair of trousers This year, slacks with cuffs are back in fashion. (NOTE: The British term is turnup.) 3. a hit with an open hand She gave him a cuff on the back of the head to shut him up.(verb) to hit someone The parents said he had cuffed the child on the head. Synonym buffet
source: Easier English, Student Dictionary Upper Intermediate Level