look up any word, like fleek:
 
1.
A phrase used to describe that something was very easy to accomplish or with little to no effort to do.
Dude, i just fucked that blonde chick, no challenge.

I just got a high score in that game, no challenge.
by BeastMasion November 02, 2008
 
2.
It means that say I say to shut up, no challenge. It means they have to shut up or they get punched. And another way is like saying go kiss that girl, no challenge that person has to kiss that girl or they get punched
Yo cuz go fight him, no challenge
by F3LTxAlumni May 13, 2014