Definitions by John Blaze and Mary Jane

holland oats 

slang word for prominent crop in Amsterdam
synonyms: mary jane, cannabis, cheeba, wacky weed

Hey man, were you able to score me that bag of the Holland Oats?

or

I'm no general mills, but i've been known to initiate 'scortched earth' on them holland oats

holland oats by John Blaze and Mary Jane December 14, 2010