Some scenes take place in a strip club with no explicit nudity
Some scantily clad strippers are seen in the background
Some kissing and minor suggestive material including some scenes implying sex. There's one mild sex scene that isn't explicit and one scene of a man masturbating with no nudity but is still pretty graphic. However the rest is just references or suggestive dialogue.
A man watches porn some explicit images implying women are being urinated on are shown however no nudity, he then masturbates we hear moaning from the TV before he is interrupted. This is brief. No nudity. Probably the strongest the show gets.
It's heavily implied a man has a porn fetish of viewing women being urinated on.
Some mild references throughout however some are moderate to strong. It's discussed a man has a porn addiction In season 2.
A man's rear end is shown briefly as he's taking a shower.
A little girl walks in on her dad and his girlfriend having sex. The man spanks the woman, barely any movement is seen and it lasts for about a split second. No nudity is shown.
Ray and his girlfriend comically try to explain what sex is to Ray's daughter.
One scene where bare breasts are shown in a strip club but only for about a split second.
A man is trying to remember his password to enter a porn site. We see links of scantily clad women on his screen. There's no explicit nudity.
Full rear male nudity with man in the street, rear male nudity in shower and getting out of bed.
Some more nudity in the strip club scenes in season 3 but never lingered on.
Rays friend owns a "vajankle" a rubber foot with a rubber vagina attached to it. We see it in one scene. This is played for laughs.
One very brief sex scene between Ray and his girlfriend with no nudity and barely any movement. Very mild.
Rays best friend Gary is a pervert and makes several jokes in regards to sex.
It is implied Gary films a gay porno.
A man receives an oral sex from a girl who looks significantly younger than him, possibly a teen. This is short with no nudity and is quickly interrupted.