rant

nouns

a loud bombastic declamation expressed with strong emotion
harangue, rant, ranting
pompous or pretentious talk or writing
blah, bombast, claptrap, fustian, rant

verbs

talk in a noisy, excited, or declamatory manner
jabber, mouth off, rabbit on, rant, rave, spout
is derived from
ranter
is derived from
ranting