I think you mean twitter words. Sure they get used on hltv but way more would be
how active do i have to be on hltv to make my own thread?
I'll say that you'll find in almost every thread something related to "flag" and than followed by "checks out". Three words that are in almost every thread of this forum.
"Jks is the best player of all time"
"I hate niko"
+jks will fix (insert team here)
+junior will fix (insert team here)
Jonathan E or admins discussion
zywh0? vs s0mple discussion
awp op discussion
My favourite one is "delusional"