Note to parents of young girls: Do not click on the following video if your child is in the room. High-pitched screaming could result. [youtube]http://www.youtube.com/watch?v=zHhhPpjeoi0[/youtube] For those a few generations behind, here’s a primer: No, the New Kids on the Block didn’t regroup, get younger and get British (and/or Irish). That’s pop-megagroup One Direction, the latest ridiculously popular boy band, in a teaser for the upcoming video “Kiss You,” soon to melt a YouTube hit counter near you. The boys — Harry, Liam, Louis, Niall, Tito, Jermaine, Lance, Justin, Danny, Jordan, Joey, Ringo and Zayn — are dressed in sailor…