Do we have any idea where the term "Sexual Tyrannosaurus" came from?

The term "Sexual Tyrannosaurus" became popularized through the 1987 action movie Predator, in which the character Blain Cooper, played by actor Jesse Ventura, refers to himself as a "Sexual Tyrannosaurus" during a scene. The line has since become a catchphrase and meme within popular culture, often used to convey a sense of rugged masculinity and hyperbolic confidence.

Are there any catchphrases that became popular like that one?

Yes, catchphrases often become popularized through movies, television shows, and online memes. Some examples of catchphrases that have become iconic and widely recognized include:

- "I'll be back" from the Terminator film series
- "It's morphin' time!" from the Power Rangers series
- "May the Force be with you" from the Star Wars franchise
- "I've made a huge mistake" from Arrested Development
- "D'oh!" from The Simpsons
- "That's what she said" from The Office
- "You're gonna need a bigger boat" from Jaws

These catchphrases have transcended their original contexts and have been widely adopted and referenced in popular culture.

What terms have since died out but were popular years before?

There are many terms and phrases that were popular in the past but have since fallen out of common usage. Some examples include:

- "Far out": an expression of amazement or approval, popular in the 1960s and 1970s.
- "Groovy": a term used to describe something cool or fashionable, especially in the 1960s and 1970s.
- "Gag me with a spoon": an expression of disgust or annoyance, popular in the 1980s.
- "Radical": used to describe something innovative or extreme, especially in the 1980s.
- "Bodacious": a term meaning impressive, attractive, or remarkable, popular in the 1980s.
- "The bee's knees": used to describe something excellent or outstanding, popular in the 1920s.
- "Don't have a cow": an expression of telling someone not to overreact, popular in the 1990s.

Language and popular terms constantly evolve, and what was once trendy or common may eventually fade out of use.