1 definition by xEmiNae
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!
Jennifer: Was that supposed to be a sub ?Screw that jerk!
by xEmiNae June 11, 2011