Used as the word "come" but with more imphasis on the '4',which is an 'A'.
So it's like "KAHM"
You have to say it the same exact way evertime. It has to be strong and imphsised, even if the sentence it's in is weak.
It can be used as an exclamation.
K4hm here. K4hm in.
"GTFO of my way!"