A troglodyte is typically used as an insult as someone is a really stupid/ ugly or you just want to insult them

(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.

People who touch the screen of the apple computer in the uni library even though they’re not touchscreen

The kind of person that makes you wonder why humans aren't extinct yet.

A person considered to be reclusive, reactionary, out of date, or brutish.

1). A cave-dweller, someone who lives in a cave.

2). Insult used by Captain Haddock from the Tintin series.

A lower-functioning subspecies humanoid that usually inhabits subterranean dwellings, and enjoys frequenting Wal-Mart. They tend to chiefly subsist on some form of government/taxpayer assistance. Also, their young are typically referred to as hatchlings.