Generation Sensible, usually millennials who favour sensible life choices, healthy eating, fitness pursuits, active lifestyles over their parents choices, mainly of getting drunk, stoned and laid whenever possible.
Amanda and her pals are typical of the GenSen.. prefer a nights yoga and mung bean eating to getting wasted at the bar.
A person devoted to arguing or bickering about defining genres of music, particularly electronic music, on youtube videos. Usually they know fuck all about music and have no interest in admitting they are a fool and know nothing about what genre is what, but they like to tell you what is what.
"They know what is what but they don't know what is what, they just strut, what the fuck"
Genrenista #1: "OMG that's totally Dubstep that transitions into Drum & Bass"