The Chipmunk Adventure (1987) song, Girls of Rock and Roll, was originally written for, and used first in, the raunchy 1986 R-rated movie, Malibu Bikini Shop.

"...Radio blastin' all the way to the club..."

"...and my personal favorite, ‘Lonly Space Vixens.’ That's for after you go to bed." -Grandpa

In the 1992 Rugrats episode "Grandpa's Date" (S2E8), finishing up showing the babies a collection of movies he rented for them.

The priest has an erection during the wedding scene in the original VHS release of The Little Mermaid. (Edited out in later versions.)

Contrary to popular belief, there is no record of a deleted scene that explains it as a cat in his pants.

In the 1942 Merrie Melodies short, The Wabbit Who Came to Supper, it appears there's a few frames where we glimpse Bugs Bunny's penis as his towel starts slipping.

Looks can be deceiving though, because it's really just the gap between his legs and the tub behind him cut off by the towel.