nail fail 

1) A damn ugly nail art design, usually done without skill or thought.
2) (nail failer) An amateur nail artist who usually makes bad nail art.

1) Damn Melanie, did a lizard take a shit on your nails? What a nail fail!

2) Sara, your nails fucking suck balls. You are such a nail failer, just do my eyes a favor and stop making nail art.

nail fail by Ifailedatlife December 20, 2015

Fail-Nail trade off 

When you begin to fail a class or classes because you are too preoccupied nailing your girlfriend. Most would consider this a good trade.

Petus: "hey, did you hear that (insert name here) is failing spanish?"

Tony: "It's because he's too busy with his gf. This is all a very standard Fail-Nail trade off."

Fail-Nail trade off by Psas May 7, 2009

Nail or Fail 

Phrase used to determine whether you are going to have sex or not. It assumes that to not have sex is to fail the conquest.

Are you going to nail or fail with that girl your talking to.

Nail or Fail by Ptownuk January 27, 2010

Fail nail 

Basically a Problem with something you have created. in the example of a story it can be anything from forgetting to add a comma to the lack of a plot.

Author: dude i just finished my story! i spent like 3 months hammering all the Fail Nails out of it though! >_< but now im sure its ready for the public!

Friend: Sic! *reads it...1 week later* dude....this book sucks! you forgot the biggest Fail nail of all! THERES NO PLOT!

Author: NOOOOOOOOOOOO! Its just like Twilight! D:

Fail nail by \m/Metal\m/ September 11, 2010