"How about staying undressed from now on? You should show off your muscles more, kind monster sir. I think you have a fine ottermode physique."
2018, Ko Hiratori, JK Haru is a Sex Worker in Another World, unnumbered page:
He wasn't as muscly as Short Hair, but still pretty fit. Ottermode.
2019, Javier Burdette, "Weights of the World: An Examination of the Evolutionary Histories of the Atlas Stone and Gada, and the Philosophy of Resistance Training", thesis submitted to the University of California, Irvine, page 16:
Other body types which become subject to idolization among male lifters include “ottermode,” “bearmode,” and, perhaps most problematically, the “x-frame.”