root beer headache

1.Root beer headache, n/ a typical greeting from someone lightly bopping you on the head and then lightly shaking it. 2. n / when a migraine occurs from bad air quality taking a aspirin with root beer and feeling awkward and going against the grain.

1.My uncle Ray who hasn't seen me in ages snuck up on me and gave me a Root beer headache.
2. Working at the carwash around black molds on a hot day gave me a headache with that aspirin and root beer feeling like someone lightly pounding on my head and shaking It.