Supporting the communication, language, and literacy development of children with complex communication needs: State of the science and future research priorities J Light, D McNaughton Assistive Technology 24 (1), 34-44, 2012
Cool beans is a curious phrase that uses nonsense to bring humor into a joyful exclamation. It originated in American pop culture during the late 1960s. Slang of this time is known to center around illogical phrasings of words, and cool beans is among the most durable lengthy late 60's era terms. It is used when referring to something with a positive connotation, for example, That party was cool beans..
Claim: The word gringo came from Mexicans' overhearing American soldiers sing the song Green Grow the Lilacs during the Mexican-American War. Origins: The rather improbable saga of the origins of the word gringo has it that the term began during the Mexican-American War.when Mexicans supposedly overheard American soldiers continually singing either  Green Grow the Lilacs  or  Green Grow the Rushes, O  (a song based upon a Robert Burns poem).rigins: The rather improbable saga of the origins of the word gringo has it that the term began during the Mexican-American War.