Sylvia is found naked in the trunk and when the boys have no women's clothing for her, they make do by taking the clothes off the Asian male store clerk. Later while in the clerks clothes, Sylvia is obviously wearing a bra. Where did that come from?
After Sylvia cleans herself up and sits in the diner booth to eat with the rest of the gang, she takes a sandwich slice and removes the toothpick holding it together. But when the scene cuts back to her talking, the toothpick is clearly holding the sandwich in place again.
Wendy tells Val and Doc that her mother couldn't take the cold and relocated to Florida as if the brothel that Wendy, Doc and Val were in was located in a cold climate. However, we later see from long shots of the skyline that the location is Los Angeles.
When Hirsch comes back with Oxana she says "Ty choudovy" to him. It means "You are marvelous" in Ukrainian, but Wendy introduced Oxana as a girl from Minsk (Belarussia). She supposed to speak Belarussian or Russian language. The subtitles mistakenly state she tells this sentence in Russian.
Doc grabs a bottle of pills off the shelf and calls them latanoprost, but latanoprost is a drop for the eye that is kept in the pharmacy refrigerator before dispensing to patients. Later, Valentine opens the capsules that doc says are for glaucoma (latanoprost is for glaucoma), and proceeds to snort the powder inside, which wouldn't be possible with any glaucoma meds as they are almost all drops except for 1 tablet available commercially.