Wiktionary
vb. 1 (context idiomatic English) To take a risk. 2 to hazard a guess
Usage examples of "go out on a limb".
I just don't want to see you miserable a few months from now because you didn't go out on a limb for Micah.
I'm going to go out on a limb and list the cause of death as decapitation.
No medicine man would go out on a limb and say for certain a raving lunatic was in good with the spirits, but on the other hand, it might be just as safe to treat such a confused and confusing person with respect.
By the time Mahler's 2nd Symphony was over, he had calmed himself enough to hold his tongue, and convinced himself that he would wait and see what Tuesday brought rather than go out on a limb on the basis of DiBartolo's word.
Applying the same work ethic, passion, and intensity that allowed him to excel on the playing field, Ennis quickly rose through the ranks of the blue-collar city's politicians, never afraid to speak his mind, always looking to go out on a limb to help the underdog.
The incident wasn't large enough, and I don't think they'd go out on a limb for the Boacans.
It seems that highly confident judges go out on a limb and make unusual or very uncommon predictions.
I told him: 'Your friend is saying that the project you are working on is very, very important, and you may have to go out on a limb over it.
The judge would have to go out on a limb, but Cully, if he had to, would make him.