Report Abuse. An egg lives for around 12 hours after ovulation. Sperm can live for about five days inside the uterus, so providing those two time frames collide, it can be pretty soon after sex.
The tail arrangement is believed to have been a defensive weapon against predators. The term thagomizer was coined by Gary Larson in a 1982 Far Side comic strip, in which a group of cavemen in a faux-modern lecture hall are taught by their caveman professor that the spikes were named for the late Thag Simmons.
Tom Hazlett, a good friend who is an esteemed and highly regarded professor of economics at the University of California at Davis, coined the term to describe any female who is intolerant of any point of view that challenges militant feminism.. Limbaugh, Rush H., III (1992).