1- the verb form of Rawr (I love you in dinosaur)
2- To be all over someone
3- to secretly say you like someone
4- similar to "shouting on the rooftops" of your love towards someone.
6-to be into someone
7-or simply just making/ have made the "rawr" sound
"Dude that kid in my math class is so cute; I'll be rawring (2) over him ;)"
"I'm so rawring (5) with kinky guys :3"
"Rawr! I'm totally rawring(6) you"