a word of many meanings. mainly good. used in many if not all extreme sports. like DH mountain biking. a big jmp/gap could be described as gnar. or some steep savage course cold be some savage gnar. or for most sports a good day could be gnar. gnar has also replaced 'sick' in many contexts. sick in the ear could now be said as gnar in the ear. or even sick to the gnar
ahh that gap was gnar in the teeth!