Top definition
when someone tries to "nail" one from opposite sex (or the same sex.. whatever) and fails. well, that`s a nailure
wasted guy is approaching a girl standing alone at a bar (by the sea, romantically). "hey there gorgeous.. wanna shag tonight/eat something/watch the sunset together?" "Err.. maybe some other time.. in another life, loser!" the girl responds.

NAILURE!!!!
by lotta klapptool May 21, 2009
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