Rat on Facebook

What it signals here

reaction meaning

Rare on Facebook reactions but used in comments to call out people in drama threads.

comment use

Posted on gossip posts or drama threads to label someone who exposed group secrets.

boomer interpretation

Likely taken literally — may prompt discussion about actual rat infestations or pest control.

group use

Used in neighborhood or community groups to label a problematic member who reported others to authorities.

See it elsewhere