NSFW After orgasm(s) does receiving more (even gentle) stimulation feel too intense like your head will explode?

Since women can and frequently do experience multiple orgasms, this question may be much more relevant. Is there a point where you can’t stand any more? What determines when this point is reached (assuming soreness is not an issue)?

Guys: Can you stand more stimulation after orgasm? Does this help you sustain your erection?