It can be an answer to an annoying comment or remark. It's like saying "Okay you made your point... now let's cut the crap and end it-- period."
or simply acknowledging a person, place, thing or event by expressing "K- dot."
or saying you understood the message already - "K-dot !"
when communicating on the internet; typing kdot in different ways (K., kdot, k-dot, capital K-dot, Kdot, K-dot, KDOT) can convey different levels of expression... especially among friends and officemates.
B: U R So Gay !
C: In order to understand the sun's radiation we have to ... blabber *#* blah.
D: K- dot ... It's like we have to go and research about Nuclear Physics to understand this lecture about sunburn.
G: HEY WHAT'S WRONG WITH YOU !!! i've been calling you the whole day! i even went to your house !! you've been ignoring me for a week !!! It all started when...... !!! can't you understand we were...!!! blah blah blah
B: KDOT *(beech)
K-Chum: I'm sure it's nothing, it'll be over within a week..
Mouse: She KDOTTED me..
K-Chum: Then by all means, SLAP THAT BITCH.
Mouse: YOU'RE SO AMAZING :)