Not quite up to the standards of 'E' for effort. Sarcastic comment or insult. A person hearing it may reply "Didn't you mean 'E' for effort?" You may or may not want to respond "No."
by happenstance November 18, 2012
 Get the 'F' for effortmug.
Get the 'F' for effortmug.  Get the 'F' for effortmug.
Get the 'F' for effortmug.