Top definition
A silly, ridiculous rendition of the word "Most", used to beat a friend in a competition to see who "____" the most ("___" being the subject being argued.)
Leslie: I HATE YOU
Ice: I HATE YOU MOAR!
Leslie: I HATE YOU MOAST!
Ice: I HATE YOU MOASTEST!
Leslie: That's not even a word >.>
by Leslie and Ice April 11, 2011
Get a Moastest mug for your grandma Julia.
2
the most ultimate level possibly imaginable by the human brain.
"I missed you."
"I missed you moar."
"I missed you moast."
"I missed you moastest."
by karmoo February 24, 2014
Get a moastest mug for your sister Sarah.