Xander: This is not the time to challenge
Angel for the Ultimate Fighting Championship.
The Ultimate Fighting Championship is
a no-holds barred martial arts tournament
noted for its extreme violence.
Cordelia: She came in looking for the Gwenyth
Paltrow, and it looked more like the Mr. Potato
Head.
Gwenyth Paltrow is the American actress.
Mr. Potato Head is the childs toy with exchangable
body part. Mr. Potato Head's nose is considerably more bulbous than Ms
Paltrow's.
Giles: Cordelia may be Homerically
insensitive, but she may also be right.
From the Greek epic poet Homer. Homerically
is an adverb meaning of epic proportions.
Xander: Of Rogaine
boy?
Rogaine is the brand name of an hair
growth medicine. Xander refers to the balding security guard.
Buffy: Well, Sherlock.
Sherlock Holmes is the famous fictional
detective in the works of Arthur Conan Doyle
Xander: Your mom's trying to Bogart
the chessy chips.
To Bogart is to hog something you're not using. The expression comes from the song "Don't Bogart That Joint" by Little Feat. The American actor Humphrey Bogart was often pictured with a cigarette hanging out of the corner of his mouth.