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when you post something on social media without tagging the person that it's about.
taken from twitter (subtweet) and spread to other social media platforms.
Ana: Did you see Rachel's snapchat story?
Brianna: Yeah, she totally subbed me. She should @ me next time.
sub by heyo1234567890heyo November 15, 2016
Related Words
Abbreviation for subliminal. An underhanded comment directed at a specific person meant to insult/embarrass them publicly on a social networking site (usually Facebook).
Ashley: Did you see Jefferey's status update? He wrote "I hate when a stupid ex flirts with your best friend right in front of you".

Jennifer: Was that supposed to be a sub ?Screw that jerk!
Sub by xEmiNae June 16, 2011
short for "suboxone" or "subutex" or buprenorphine. the only other drug, besides methadone, that is used to treat opiod dependance. It is legally presecribed in a doctor's office but has been found to be illegally sold and used in recent years.
sub by brennaa October 27, 2007
Common reference to a large sandwich often used by people in the North Eastern united states. (Submarine Sandwich)
I think I'm going to have a steak and cheese sub for lunch.
sub by Mike February 10, 2005
David Byrne and Bill Nye should drop some acid together and sub for a kindergarten class.
short for subwoofer, a speaker that drmaticaly increases bass output
damn those subs were pumpin so much bass tha rust flew from his car
sub by CuznSmoke May 7, 2005