A situation that occurs when a man is doing a girl and he can't get his penis fully erect. Doing a girl with a semi.
Rob: Man, I was so messed up the other night I was having a hard time getting it up
Edward: What did you do?
Rob: It was all good, I gave her the soft launch.
A gooey, soft, yet not liquid excretion from one's anal region. Usually caused by excessive caffeine or cigarette consumption (or a combination of both.) Can consist of particulate matter or be purely velvet in texture.
A true soft launch should not cause pain such as with diarrhea.
Hey guys, We have to go. I farted but it turns out I soft launched. I need to change my clothes.