head-ramming

Noun

head ramming (countable and uncountable, plural head rammings)

1. Synonym of headbutting; a physical behavior where animals smash their heads or horns together, primarily seen in bighorn sheep, musk oxen, and goats to establish social dominance, compete for mates, and defend territory.
   • Animals like woodpeckers and head-ramming sheep manage to protect their brains from damage, the researchers point out. So why can't we? Of course, in our case the head ramming is in the name of fun. But there might be ways to safeguard our brains, like these animals do, from the inside out.2013 December 17, Elizabeth Preston, “Higher Altitude Protects Teens from Concussions”, in Discover

   Synonyms:

   headbutting