battologize

verb (used with object), bat·tol·o·gized, bat·tol·o·giz·ing.

1. to repeat (a word, phrase, mannerism, etc.) excessively.

verb (used without object), bat·tol·o·gized, bat·tol·o·giz·ing.

2. (of writing or speaking) to repeat words, phrases, etc., to an excessive and tiresome degree.