wan'err 

the work wanker but said in a farmers accent

" hows yer cornn growing cleatus"
" dont be scarcastic you wan'err"

wan'err by mr.beansxxxx August 16, 2009

Obi-wan error 

When you're off by 1.
Common in programming when dealing with indexes since they start at 0.

I was writing a program last night and didn't notice the Obi-wan error.

Obi-wan error by fohr twenh-tee November 23, 2015