"I've come to the conclusion that there must be genetic component driving this behavior. That it occurs in nearly every Euro illegal [or legal, for that matter], it must be something genetically programmed. Maybe some sort of nuclear fallout from Soviet weapons testing, or the nuclear waste cloud emanating from Chenobal, has cause some sort of deviance which expresses itself as thumping. "I'm from Europe, therefore I thump". "
A subject worthy of a doctoral dissertation. Please let us know when you publish your findings in a peer reviewed journal. I can put you in touch with the helpful doctor pictured above to assist in your research.
