to take pictures of what you are eating, or what you are going to eat, and post them on twitter
Girl: Michael tweats every meal he has!
by sgill88 May 26, 2012
A combination of the words "twat" and "sweat" (pronounced like "sweat"), indicating the sweat that a twat produces.
"Man, this whole strip bar smells like tweat."
by AnonymousGirl October 03, 2005