When someone is acting like 1rask, Which basically implies that this person is being a pedophile and is extremely weird and uncomfortable to be around with.
Rakkling is the act of running your teeth over a rough surface, such as asphalt, the material of a skateboard or rough concrete. Rakkling is named so because of the noise that is produced, Rakkling.
Person 1: hey did you hear that Johnny fell of his skateboard?
Person 2: yeah, I heard the Rakkling too. Jeez it makes me cringe.