go off the deep end (verb) blow up: burst with anger
Sinonime: bluntly, candidly, dead level, dead on,
directly, forthrightly,
freely, from the hip, in truth, laid on the line,
level, on the level, on the line, openly, plainly,
straight, straightforwardly, without reserve
Antonime: deviously, dishonestly, insincerely, secretively