yippie (?.)

• Bohemian
• Bolshevik
• Jacobin
• Wobbly
• anarchist
• anarcho-syndicalist
• beatnik
• deviant
• dissenter
• dropout
• extreme left-winger
• extremist
• flower child
• freak
• heretic
• hippie
• left-wing extremist
• lunatic fringe
• maverick
• mild radical
• misfit
• nihilist
• nonconformist
• nonjuror
• original
• parlor Bolshevik
• parlor pink
• pink
• pinko
• radical
• red
• revolutionary
• revolutionist
• sans-culotte
• sectarian
• sectary
• subversive
• swinger
• syndicalist
• ugly duckling
• ultra
• ultraist
• unconformist