look up any word, like dirty sanchez:
 
1.
you completed a task successfully or got something right . ie :You nailed it to the cross.
" Oh man I rocked that test... PIMP"
" Ya... me too ... I nailed it!"
by carl June 18, 2006
 
2.
Gets it spot-on, is correct, absolutely wins the argument (UK)
That's so true, he's nailed it.
by dnnkjdhkjhkjdhkjsh September 23, 2010
 
3.
That's right, on the money, perfection, you guessed it. Spot on. Also mean sex, but in this situation it means 'correct'
Cheers, you nailed it.

Yes, wonderful, you have nailed it lol.
by 1Enlightened1 February 28, 2013