It means alright, okie dokie and usually ‘yes’. Ok is the greatest word of all time, if you feel bored you can type it like the: ‘okay’ and if you are lazy you can type it like this ‘ok’
Person 1: Hey there friend! How are you?
Person 2: ok.
Person 1: cool! I’ve been working out lately so.. yeah.
Person 2: ok.
Person 1: you doing anything this afternoon?
Person 2: *deadly stare*
Person 1: Alrighht uh guess you are. Well I’m not just so you know.
Person 2: ok.
Person 1: Stop!!
Person 2: ok.
Person 1: *dies*
Person 2: ok.
Person 1: cool! I’ve been working out lately so.. yeah.
Person 2: ok.
Person 1: you doing anything this afternoon?
Person 2: *deadly stare*
Person 1: Alrighht uh guess you are. Well I’m not just so you know.
Person 2: ok.
Person 1: Stop!!
Person 2: ok.
Person 1: *dies*
by 1V0ah October 9, 2020
Get the Ok.mug. 
Used to instantly end a conversation with a “tanker” in fantasy sports. The phrase “ok tanker” can be used in many different contexts, and is very useful in triggering the frustration accumulated from countless losses that resides deep inside every tanker.
by Jax50nn June 12, 2021
Get the Ok tankermug. by Tank Rawad November 11, 2019
Get the Ok Boomermug.