A beer tune is a term applicable to ski and snowboard shops, and for the greuling summers, mountain bike shops as well. A beer tune occurs when a consumer exchanges beer or other tangible goods for ski or snowboarding tuning services. see also Weed Tune.
"Hey Bro, you guys do beer tunes here?"
A: Sure man, a case of Fat Tire will get that board looking brand new.
A2: "Get the fuck out you cheap ass hippie!"
or A3: "rather do a weed tune this week!!"