cooldud3:  fish are fantastic superguy:  they sure are cooldud3:  im gonna go get some, brb superguy:  krk
"the logical response to brb in a chat conversation, indicating that the speaker recognizes the person's notice of abscense
"cooldud3:  fish are fantastic superguy:  they sure are cooldud3:  im gonna go get some, brb superguy:  krk" What is the definition of "krk"?