transitive
| Infinitive | head-butt |
|---|---|
| 3rd person singular | head-butts |
| Past | head-butted |
| Past Participle | head-butted |
| Present Participle | head-butting |
transitive
| Infinitive | head-butt |
|---|---|
| 3rd person singular | head-butts |
| Past | head-butted |
| Past Participle | head-butted |
| Present Participle | head-butting |