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Having filthier, more enthusiastic sexual intercourse with your significant other at a hotel simply because you are not in your own home.
Joe gingerly pressed the king-sized hotel mattress with his index finger, grimacing as he felt it give easily; no doubt from years of couples' hobnailing upon it.
by soarjubs December 16, 2013
of french origin; le hob

a hobnail is a type of french salad dressing, mainly used by those in prison.
John poured the hobnail slowly over food, licking his lips menacingly.
by Frankl October 06, 2004