headbutt

Từ điển Oxford Advanced Learner 8th

▪ I. head·butt [headbutt] BrE [ˈhedbʌt] NAmE [ˈhedbʌt] verb ~ sb (especially BrE)
to deliberately hit sb hard with your head
•He was sent off for headbutting the goalkeeper.
Verb forms:
 
▪ II. head·butt noun
Main entry: ↑headbutt_derived