An orgasm so extraordinary that you experience a blackout or near blackout. Usually an orgasm from a woman you're head over heels for. Also the result of an older man sleeping with a much younger woman that is perhaps a little too much to handle for the old man.
Male usage: Cindy makes me blackout-cum!
Female usage: I can't wait to make you blackout cum all over me!
Ejaculation that lasts for so long that your condom almost explodes from the overwhelming amounts of cum. If not wearing a condom you are sure to produce a baby (or babies).
Man... last night Cindy made me lengthy-cum. I was worried my condom would burst!!
