A verb to describe abrupt regression or destruction. It can also be used when describing an overall incorrect course of action.
This term was created in reference to the split between the U.S. Supreme Court's 9 justices
The EPA's loss of regulatory power completely six-threed our country.
When you unscrewed the cap to the air mattress, you completely six-threed it.
Our football coach was six-threeing us with biblical nonsense until we left the field.
Same difference
It is completely not the same as 'six of one and half a dozen of the other'
'They've only got Fosters and Carling, which one do you want?'
'Six and two threes, they're both shite'
A term tossed around the manosphere, especially among incels, describing things they say women desire or require from men - at least six feet of height, at least six inches penile length, and at least six figure salary.
"There's no way an average nice guy like me even has a chance at getting laid, women are only interested in the three sixes!"