I had a great one yesterday...
Me: What is this weld symbol?
Engineer: I duno..
Me: You put it on the drawing, you don't know what it means?
Engineer: I guess I better check..
Me: Here is a weld symbol chart, please find that weld symbol for me.
Engineer: I can't find it.
Me: Probably because it does not exist.
Engineer: Well...well....it's in CAD...see...oh wait...I put the wrong symbol in..I meant to put a fillet weld symbol.
Me: An upside down Y on the reference line is not a fillet weld...
Engineer: Ummmmm....it might be a V groove weld....
Me: