Legs crossed orgasm. Instead of crossing your legs though, try pressing the surface right above your crotch before the stomach begins with your thumbs. Welcome to Reddit, the front page of the internet. This includes my current SO of 2 years. Sex Dating. If you are getting numb then perhaps it is too intense too soon. All LGBT. I find it much easier to orgasm solo while vibing with my legs straight and abs-toes tensed, as you described. It may also be that you are needing to "hold your breath" which is often what we do when we bear down like you are describing. I have much more muscular control in the straight-leg stance. Because very few women can orgasm from penetration, alone. This obviously makes it difficult for me to come from anything other than masturbation.