mugger n.— «For the boys, between nine and 12 years old, the skill of throwing a lasso to corral a runaway calf has already been developed. The competitors also proved adept at tying three of the animal’s legs together while the calf was...
mean-mugging n. staring in an aggressive or threatening manner. Etymological Note: From mug ‘to pout, grow sullen, mope; to make a face.’ (source: Double-Tongued Dictionary)