Badmouth was a science fiction fanzine by Lynn Hickman.
Badmouth was published in the 1970s.
Contributors included Liz Fishman, and Lisa Tuttle (Mathom, among others.
Lynn Hickman , with Carole Hickman, had released TLMA in the 1950s. Lynn also published The Little Corpuscle, a companion zine to TLMA. Later in the 1950s, he published JD Argassy until the 1960s, and then Badmouth, followed by The Pulp Era in the 1980s and 1990s.