The only thing I can think of when I hear "slappers" is Batman Beyond. I wonder if it's a reference to that, a reference to something else, or if the artist was inventing a fictional drug and independently came up with almost the exact same drug as a cartoon from 20 years ago.

Base +8, Isem +6

They’d better call a doctor, because I don’t think that’s going down in four hours.

Base +6, Mondoblasto +6, theglueman +6

Superseded by:

https://e-hentai.org/g/2098309/14ceb4c752/

Base +6, cheese130 +7