Coldcock verb
To knock someone down and possibly cause them to be unconscious
He's just coldcocked his neighboring boy and I don't know what his motive is.
Boxing is really a violent sport. I see many coldcock their rival on the stage.
Being too furious with Jame's teasing, Bob coldcocked him with just a punch.
Beat someone up
To hit, attack or strike someone in a way that causes serious injury or death
Used in reference to the period of the economic stagnation that troubled British people, government, or society in the 1970s and early 1980s
To attack or wrestle with someone and cause them to suffer a significant injury
1. Used when a boat or vessel collide with something
2. Used when one does something that he or she is not allowed to do, especially disobeying rules or laws
The verb "coldcock" should be conjugated according to its tense.
This phrase is used to describe something very modern or updated or something that no longer looks like what it's used to.
It has been a long time since I left my high school, and now I have to admit that it's certainly not your father's high school anymore.