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puro, -ra

adj     1: pure(ly)  2: only, just  3: plain, simple, sheer

buena onda,

nf      1: a positive connection between people, places, events, etc.  2: a good vibe  3: good karma 

pura buena onda,

n 1: a fun and relaxed environment in which to learn and/or practice Spanish 
  2: the chance to be part of a community that will truly help you improve your Spanish through classes, on-line interactions and social club events
  3: an opportunity to learn with a native speaker who reads, writes, and speaks Spanish and English fluently and without an accent  
  4: the chance to work with an extremely passionate teacher whose only goal is to help you succeed