If you can't read the picture, the signs say...
HEY LoSEr... R your SignaLs BroKE? OH...you NEED to woof DN that Big Mac
or taLk ON you CELL!
GET OFF MY ASS JERK! P.O.S.
I GIVE INSTRUCTIONS ON HOW and WHEN TO USE YOUR TURN SIGNALS
I caN aLso ExpLaiN to you what STOP MEANS...A CLUE: STOP!
Geez, I bet this guy is a lot of fun at parties.