Word forms: 3rd person singular present tense rumples, present participle rumpling, past tense, past participle rumpled
VERB (因喜爱而)弄乱,抚弄(某人的头发) If you rumple someone's hair, you move your hand backwards and forwards through it as your way of showing affection to them. (因喜爱而)弄乱,抚弄(某人的头发)
I leaned forward to rumple his hair, but he jerked out of the way. [VERB noun]