Top Definition
A step above nails in regards to toughness. Pretty much designates you as a superior badass.
"I just ate a bowl of ramen. I can go for days now." - me

"You are tough as nailos" - you
#tough #awesome #radical #tubular #reaganomics
by DaneandPaulrocksocks November 10, 2009
5 Words related to Nailos
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