1 definition by funnybuns1018
two players give each other challenges that must be completed in 7 seconds or under. the loser usually has to do something they don't wanna do. popular on YouTube
"hey let's do the seven second challege!" "yeah bro sounds chill" the seven second challenge is a two player game making one player give a challenge to the other having to be completed in seven seconds or less.
by funnybuns1018 April 15, 2015