sexually: to give the person you’re having sex with too much stimulation, like continuing to thrust into somebody after they’ve already orgasmed
not sexually: to experience too much touch, taste, sound, noise, etc., and get overwhelmed. being overstimulated can make you extremely angry and upset, or it can make you shut down, everybody is different
overstimulation, sexual:
Jane: “Yeah, and he just kept on going after I already orgasmed, it was so overstimulating but sooo fucking good..”