slap /slæp/ I. vt. (slapped, slapping) 1.掴，掌击，拍: slap sb. on the shoulder 拍某人肩膀；slap the table 拍桌子 2. (随意，快速地)涂抹: slap paint on the wall 在墙上随意涂漆 3. 啪的一声(用力)放：slap the book down on the table 啪的一声把书丢在桌子上 ‖II. n. 掴，掌击： He gave her a slap on the cheek and she began to cry. 他掴她一耳光，她就哭起来了。