Definitions by DreyAndLanceTheAwesome.

ass nail 

*ass nail*; pronounced (*ahs*)-(*nael*)

The occurence of being fingered up the anus too vigorously by another individual (or by yourself) where a shard or a whole nail is left behind inside your anus.

eg. "What's taking you so long in the bathroom Andrea?"

"FUCK OFF MUM I'M SHITTING ASS NAILS

ass nail by DreyAndLanceTheAwesome. January 28, 2010