subtweet noun 2verb 2forms 3 noun2 •A tweet that refers to another user without tagging their name in the message, so that the user being talked about is not automatically notified.But it was also a subtweet, addressed to one person but meant for someone else entirely. — 2014 •Any social media post of this type, regardless of which service it is posted on. verb2 •To post a message of this kind. •To speak obliquely about (a person).Schumer's remarks were oblique enough that no one will be able to say for sure whether he was subtweeting Trump. — 2017 formssubtweeted · subtweeting · subtweets