for a person to show a similar trait as Rithu. Usually these characteristics consist of panicking and obtaining whiplash when someone says "test" even when the word is preceded by HIV. Also for a person to properly pull a rithu, they have to carry all the contents of their locker home, even when there is no homework... It is not easy to pull a rithu, you have to constantly ask the same question over and over again even when you heard the answer and you can't ask only one person, it has to be at least 4.
to pull a rithu means to become overly obsessed and ask questions constantly. In this case, you do not want to pull a rithu.