uncle sid

Uncle Sid is another word for acid/lsd. This is a bitter known slang term, so feel free to say it in public places or infront of relatives without worry!

"Hey man, uncle sid is coming to visit this weekend"

by savannah!! March 09, 2007

Uncle Sid

(Acid, LSD, Blotter, Hits) A way of talking about LSD over the phone without actually saying it.

"is Uncle Sid in town?"

by Shane Cline January 16, 2004

Uncle Sid

Melodic Hard Rock band from Vancouver Canada featuring beautiful female vocalist and great songs.

Uncle Sid is the best original hard rock band of the times.

by redgoodness July 06, 2010