Continuity mistake: At the furniture show, when Carrie is introducing Big and Natasha to Aiden, Carrie accidentally spills her coffee on Big. A coffee spot that splashed on Carrie's upper blouse keeps appearing and disappearing throughout the scene.
Continuity mistake: When Samantha and her date are in the health food restaurant, she orders wheatgrass shots. The waiter pours them, filling the cups to the brim and then sets one on the table in front of each of them and we see again in a close up that they are both full up. Yet when Samantha picks up hers to drink, the liquid level has gone down a little way.
Continuity mistake: The people walking behind Trey and Charlotte close to Tiffany's is totally different in the side angle, than in the front shot - check out the African-American woman, for example.
Continuity mistake: When Steve arrives at Miranda's place he cuddles the puppy, but his left hand's position is not continuous between shots when he thanks her for sleeping on the couch.
Continuity mistake: When Carrie debates with Miranda whether to call Big or not, Carrie holds the pillow close to her chest in one shot, but over her thighs in the other.
Continuity mistake: When Sam asks her friends if anyone has had the bad taste semen problem, Miranda's mug is on the table. Half a second later it is close to her mouth.
Continuity mistake: When Sam talks about sperm taste and Charlotte leaves, Sam grabs the mug's handle, then from another angle her arm is down, then back to a front shot and she is holding the handle again.
Continuity mistake: When Trey's mom asks Charlotte if she plays tennis, she takes out a cigarette. She never lights it (nor do we hear any sound), but half a second later it is already lit up.
Continuity mistake: When Trey's mom orders the cheese nibblings, Trey's arm swaps from lowered to drinking from a glass.
Continuity mistake: After meeting Big, while ordering food with the girls Carrie closes her menu twice. (00:08:14)
Continuity mistake: When Carrie holds the menu she either has her right arm down or holding the menu.
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen