ARU
interjection
1. sound noting confusion or disbelief
2. Posing the question, "what is going on."
Etymology: Likely to have come from Scooby-Doo often reacting to the order to go search for ghosts with Shaggy. Picked up in the late 90s.
Synonyms for aru
On this page, you will find 30 slang terms related to ARU. Some of the top words include: holy macanoo, crackilate, Oie, dice, BURF, and 25 more.