IDIOMS

head butter



Example: Used other than as an idiom: see head,‎ butter.
Alternative form of headbutter
2013, Perry Stone, The Judas Goat, page 203:
  Before meetings get out of hand, stop the board meeting, and demand prayer to be offered to renew the minds of the “head butters,” and read scriptures from passages in Proverbs that will renew the minds of those present.