From extremal size category
/r/OnlyFans101: OnlyFans101 - The largest OnlyFans community on Reddit - This sub is to help content creators promote their OnlyFans profile. OnlyFans content creators are the only ones allowed to make posts here. - May 4, 2020 - 20:11
/r/bigasses: Big asses on beautiful ladies - Big asses on beautiful ladies - May 4, 2020 - 19:11
/r/ThickThighs: ThickThighs; Girls with thick thighs - A place for Amateurs and models with thick thighs to share images of your beautiful thick thighs and luscious curves. Voluptuous women with big butts and breasts as well as enthusiasts who appreciate the thick female form are also welcome to share and upload images! - May 4, 2020 - 18:55
/r/whooties: Big White Booties - Amateur Big Booty White Girls - May 4, 2020 - 17:44
/r/bigbubblebutt: bigbubblebutt - Big massive butts First time on tv - May 4, 2020 - 06:16