To think someone said something and then act on that information.
"Josh! I thought you said you were done." "Then you assumed wrong, Cayce!"
by Curobos March 08, 2013
To make an ass out of you and me.
by PineappleJuice February 22, 2015
to take for granted or without proof. (also known as Serina)
I assume I am right.
by unknown` September 22, 2012
take for granted
When you assume you make an ass out of justin
by Anonymous March 30, 2003