No worries! It can take up to 24 hours for an egg to be fertilized. From there the embryo needs about a week to work from the ovary through the fallopian tube and get to the uterus.
The term thagomizer was coined by Gary Larson in humor, in a 1982 Far Side comic, in which a group of cavemen in a faux-modern lecture hall are taught by their caveman professor that the spikes on a stegosaur's tail are so named after the late Thag Simmons.
The origin of the term ugg is also unclear. Stedman registered the trademark UGH-BOOTS in Australia in 1971, and in 1982 registered the UGH trademark. Frank Mortel claims that he named his company's sheepskin boots ugg boots in 1958 after his wife commented that the first pair he made were ugly..