Top definition
1. it is like a dinosaur but like a little bit crazey TO TEH MAX!!1. so youre all like "the fabled WTFASAURUS??!/."

2. an exclamation or shock or suprise.
- i thought dinosaurs were all dead.
- all accept the WTFASAURUS!.
- OGM HAX!

WTFASAURUS! (that racoon just PWNED me??!/) lmaobyobabybbq

paint loller!
lollerskates
lolls royce
lollercoaster
steamloller
loller hockey
by Team Jack November 27, 2005
Get the mug
Get a Wtfasaurus mug for your bunkmate Vivek.