They don't really have to be partisan terms either. Some are dangerous and dehumanize the other side, not just insult. Some are just stupid. Some are rude but accurate.
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NPC = Person who isn't thinking for themselves, follows the group mindlessly.
Russian Bot = Term used to dehumanize and attribute real dissent to a disinformation campaign.
SJW = Social justice warrior. An overly PC person who goes on social media cancel culture brigades in the name of fixing social injustices.
Chud = Foreign or strange in Slavic or slang for "unattractive"? Seems to be an insult at appearance, not intelligence.
Libtard = An insult at liberals/leftists directed at their mental capability.
Nazi = Term used to dehumanize. Usually implies the person is racist.
Snowflake = Someone who gets offended easily
Fragile = Never heard this one used, usage is older than snowflake, maybe just used now because one side doesn't want to use the same term?