Let's make a list of foreign sex terms here.

[evadan]

FLP only a comment. stripping in spanish is "desnudándose"

Girl stripping on the stage = chica/tía desnudándose en el escenario

Few more in european spanish:

mamada (sustantive) = blow job
felación = fellatio
echar un polvo, follar = to have sex
descuido = oops
enseñando / mostrando = flashing / showing


Examples to do searchs: xD

pareja follando en público = couple having sex in public
haciendo un trío con la novia = doing threesome sex with gf
esposa follando con desconocidos = wife having sex with strangers
novia follada por desconocidos = gf fucked by strangers
compartiendo a la novia = sharing girlfriend
pillados follando = caught having sex
descuido = oops