Hilf is an acronym meaning "Headwear I'd like to fuck." Commonly, this is known, in a way, as the "new McChicken"; instead of fucking chickensandwiches, people are fucking hats. This word is a derivative of milf.
Stands for ‘Hazmat, I’d Like To Fuck’
based off of the popular american girl band hazmat, made up by two of the members, hilf is used by hazmat members and hazmat fans worldwide to describe someone in the band hazmat who is sexy, hot, and swaggy.