spectator:  how do you do backflips off of that house?  backflipper:  you just got to go all balls into it, man
"shortened version of "all balls, no brain" meaning not much thought or consideration is put into an action before it is attempted
"spectator:  how do you do backflips off of that house?  backflipper:  you just got to go all balls into it, man" What is the definition of "all balls"?