What is the definition of "toxic"? For the record, obviously not 10% are "toxic" (based off of my personal definition of toxic). But what if I considered comm

What is the definition of "toxic"? For the record, obviously not 10% are "toxic" (based off of my personal definition of toxic). But what if I considered comments that are off topic or slightly factually wrong as "toxic". By that definition, 10% would be possible.