mouth off, blah, jabber, claptrap, harangue, rabbit on, spout, rave, fustian, bombast, more...

rave, praise, compliment, endorse

diatribe, harangue, tirade, soliloquy, monologue, dissertation, more...

mere, igno, good, long, much, political, little, famous, pure, wild, high

wild tirade,   deliver a tirade,   complain loudly,   talk angrily,   abusive diatribe,   indulge in bombast,   to speak angrily,   angry speech,   speak wildly,   spouts off