hair crush
n.— «OK guys I am not going to lie here, I do this thing that I like to call my “hair crush.” My hair crushes are people with fab hair that I personally would kill to have.» —“ Kelli Zink. From hair crush to hair love in a matter products.” by Eliza Siep Chicago Now: Pretty Cheap Feb. 2, 2010. (source: Double-Tongued Dictionary)