It means quickly. Go get your coat .... come on ... chop chop. It means hurry up and get your coat. I think one of the reasons this phrase is not used so much anymore is because it is supposed to be an unflattering imitation of someone speaking Chinese.
"Severs" can mean 'cuts off' - as in chopping a branch completely off a tree
If you mean chopping as in cutting(or such), then yes it is a physical change. It's a physical change because it hasn't chemically changed or reacted to a another variable.
Chopping
It means that they fired him from his job. The image is of chopping someone out of the workplace.
the chef is chopping tomato
In poker games with blinds, 'chopping the blinds' is a custom that can happen when all other players fold to the blinds before the flop. The blinds then remove their bets, ending the hand.
chopping
Chopping Machine was created in 1995.
Richard Chopping was born in 1917.
Richard Chopping died in 2008.
Machete means chopping-knife. The same word is used in Spanish.
The duration of Chopping Mall is 1.28 hours.