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3.
HSA
a Highly Sought After collectable
Fashion Style Derpy is HSA!
by TLSquiggle March 16, 2012
 
1.
HSA
HSA stands for HOT SEX ACTION!
So me and my girl are heading home for some HSA.
by mrbear March 21, 2012
 
2.
HSA
Hard Style Assassins, A clan for Halo: Reach, MW3, Red Dead and Minecraft, Some members are reluctant to play those games so we aren't all faggots :3 Anyways, HSA is a peaceful clan. Only two clan battles have been reported in HSA's 10 year lifetime (If I'm right...)
HSA Camper: Hey dude, Wanna probably join HSA?
lonewolfmtl: No thanks bro, You're probably just another lolclan.
HSA Camper: Actually is dolan.
lonewolfmtl: What?
HSA Camper: What?
by HSA Camper August 30, 2012