What is Blotch?
1.
Wet flatulence, or the mark thereof in one's underwear. Unexpectedly or accidentally emitting liquid or solids with the gas. (Similar to
Dad: <wet farting sound> "Uh oh."
Joe: "Did you get any on you?"
Dad: "Yes, I believe I may have blotched."
2.
A combination of blood and crotch equals BLOTCH!
Typically utilized in online FPS shooters to bloody ones crotch by repeatedly shooting their crotch until it bleeds.
OMG! Did you see Amy's pants, it had one hell of a nasty blotch stain!
After little Timmy beat him down, he followed it up with a humiliating blotch!
See
3.
Prominent discoloration on the glans of the penis. Often occurs due to sunburn, skin cancer, lipstick or a sexually transmitted disease.
Doctor: "Gus, that blotch on your penis is due to a bad case of
herpes . Rub this ointment in, and you will feel better".