Image: Screenshot of a microblog post quoting another post. The quoted post states, "autistic people will see a 'honk if you like pizza' bumper sticker and think it means 'if i like pizza, i should honk'". The blogger that quoted that wrote, "Wait..."
Yep, that's how it was explained to me. I still take it as them asking for a pizza lovers to honk and follow thru tho.