Einsteiny

adjective3

1. •
   (informal) Characteristic of or resembling Albert Einstein, or his theory of relativity; Einsteinian.
2. •
   (informal) Highly intelligent; brilliant.

   • Terence is this gangly, Einsteiny seventeener who has really low EQ, as in emotional quotient. — 2004
3. •
   (informal) Of hair, sticking out wildly.

   • The windows [of the bus] were all open in the back, and the wind blew everyone's hair into wild Einsteiny puffs. — 2010