Buckle bunny is a term used to refer to female groupies or fans of rodeo cowboys. Like other types of groupies, buckle bunnies often pursue the attention of and intimate relationships with rodeo competitors. Buckle bunnies tend to sport a sexy Western aesthetic, which may include short cut-offs, cowboy boots and hat, large belt buckles, and low-cut or midriff-baring shirts.
Buckle bunnies get their name because what they may be most attracted to is the prize-winning belt buckle received by winning competitors. Rodeo buckles include information about the rodeo and prize. Because it's against social convention to wear a buckle one has not earned himself, the buckle serves as a sort of identifier for those who are most attracted to top competitors.
In addition to intimacy and companionship, buckle bunnies may do a competitor's laundry, cook him meals or even pay the entry fees for his next competition.