going wacky (verb) go crazy: become insane
Sinonime: babble, betray, blab, burst out with, call out, come out with, cry out, disclose, divulge,
exclaim, give away, jabber,
leak, let on, let out, let slip, let the cat ouf of the bag, reveal, run off at the mouth, spill the beans, spout
Antonime: keep quiet