A simple acronym for the phrase "What Ever Helps You Sleep At Night"
Usually expressed as a indifferent and/or uncomprehending dismissal.
"I have no idea why you act that way, but wehysan bro"
Named for their affinity to marijuana, especially Sinsemilla which is the flower of the cannabis plant.
my mom was a flower child back in the 70s, she says weed today is a lot stronger