any girl who smokes weed. if you don't know a girls name and she smokes, then call her petra and she'll answer
by Mike Hunt 42069 July 11, 2008
Petra... is petra. there is no way to describe them. other then being an absolutely crazy bitch that is most likely to become a serial killer in 25 years. They are erractic but make sure to get on their good side, or you're waking up with them under your bed at night. So uh, be warned *mad amog us sus noises*
by rick toto smith November 19, 2021
by babyrazor July 21, 2003
by pygme69 November 15, 2005
An amazingly beautiful Czech supermodel who was featured on the Sports Illustated Swimsuit cover in 2003 and survived the 2004 tsunami in Southeast Asia.
by Jayhawk18 August 6, 2008
The act of getting on your knees and arching your back while leaning your chest against a wall or tree. At the same time, you would look up into the distance with your mouth slightly open. (SPOILER: This is to imitate the tragic death of Petra Ral).
Every time I see Attack on Titan cosplayers, I always end up seeing someone "Petra"ing next to them.
by AnimeOffensive April 17, 2014
She is a penguin VTuber who belongs in Nijisanji and is the most seiso. Her fans are called Pentomo.
by Nooooot November 24, 2021