The act of ejaculating so hard at the back of a woman's throat that semen comes out of her nostrils. She then has the option to blow the semen out or sniff it back into her mouth, at her preference. This is the reversed version of the regular snot shot, where a man ejaculates directly into a woman's nostril.

When someone with the influenza virus inserts his penis into a healthy recipient's mouth and holds it there for at least five seconds. It is only considered a Reverse Flu Shot if the recipient gets the flu within 48 hours.

When you throw up from doing too many shots or from any kind of alcohol poisoning.