In its original meaning, 考古 is used in news reports, documentaries, museums, and academic discussions. It is entirely formal and professional in this context.
`考古学家 (kǎogǔxuéjiā)` - an archaeologist
`考古发现 (kǎogǔ fāxiàn)` - an archaeological discovery
`考古现场 (kǎogǔ xiànchǎng)` - an archaeological site
Informal and Slang Context:
This usage is extremely common on social media platforms like Weibo, Bilibili, and Douyin.
Nostalgia: Fans often 考古 their favorite celebrity's early work or old interviews. This is a positive and affectionate use of the term.
Finding “Dirt”: Netizens might 考古 a public figure's old Weibo posts to find controversial statements or embarrassing photos, especially if that person is involved in a recent scandal.
Revisiting Pop Culture: When an old TV show, film, or song becomes popular again, people will say they are “考古-ing” it, meaning they are watching it and discovering all the related old discussions and fan content.