bottom growth means: Side effects of testosterone include bottom growth. Because you were afab-assigned female at birth it means that your clit gets elongated, and gradually becomes more male in size. You are left with two holes, so intersex is possible. It will be painful and itchy for a while as the clit is growing but it eventually stops. It can grow to about 2 inches in length, but it may be longer or shorter depending on who you are. (in Community Dictionary, added by Gema Soto)