User blog comment:Rassilon of Old/Young Justice updates - September 2011/@comment-4283185-20110915081118/@comment-1635895-20110917012922

Phineas, I presume you mean Phineas & Ferb? And syntactical idiosyncracies is sentence structure, how someone talks. For an extreme example, Yoda from Star Wars speaks with a different syntax. Where a 'normal' person would say "I speak like this", he would say "speak like this, I do."