Acronyms dictionary HMK What does HMK mean? HMK is an acronym that means hit my Kik. Kik is an anonymous messaging app. It may also be a combination of the words hmm and ok. Examples of HMK Yo, I don't Snapchat very much, but you can always HMK! These guy are amazing! HMK tonight after the show, I'll share my pics. I told him to HMK today before work ... I'm still waiting SEE MORE EXAMPLES Just Added shelfie, ACAB, yeet, Karen, BIPOC Note This is not meant to be a formal definition of HMK like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of HMK that will help our users expand their word mastery.