There are multiple blatant sex jokes and innuendos.
During the IMP jingle, we briefly see two people having sex, although they are covered.
Some sexually explicit language, bleeped for comedic effect.
'Some' Demon Guy says that he got sent to Hell because he killed his wife for fucking a delivery man.
When Blitz approaches Loona with her adoption anniversary gift, Loona asks, "Is it a cure for syphilis?" Syphilis is an STD (sexually transmitted disease).
Bratty Kid calls Millie a slut.
A woman opens a computer to see her husband cheating on her with another woman. Kids are behind her watching.
A woman is seen having sex with two different men in a montage. No genitals or nipples are seen, but thrusting, and squishy sounds can. Everything is covered by the blanket.
An owl character reoccurring joke is that he had a one night stand with a main character. this is referenced frequently.
Moxxie and Millie passionately kiss with their tongues.
A character calls Blitzo wants to have a "passionate fornication" with him (fornication means having sex when not married)
A giant orgy ensues at a beach after a character does a "mating call" and it shows characters roughly kissing, flirting sexually, and other sexual innuendos. Nothing explicit is shown.
A whole episode revolves around succubi/incubi (Sex demons) lots of sexual innuendos
A character is seen tied up in bondage with a ball gag hanging from their neck, while sitting in bed next to another character. Nothing explicit is seen
One weapon says "My Dick" and when it shoots the missile says "Pussy Destroyer"
Blitzø and Stolas make multiple sexual advances towards each other, though nothing is seen.
One episode takes place in a lust club. Strippers, provocative dancing, and lots of sexual language is used
A character says "What do you want? Butt stuff? Pissplay?"
Nudity from demons male and female are seen but nipples are covered with tape in Xs or hearts. No genitals are ever seen except an old man's parts in one episode.
Aside from the swearing, the sex is pretty much on the same level as Who Framed Roger Rabbit.
An owl demon and a nother demon explicitly kiss in one episodes.