psychedelic smile faces seamless pattern. rave psychedelic, acid trip. colorful emoji smile. for billboard, posters and

60s 70s 90s abstract acid art character colourful cute design dripping drug emoji emoticon emotion expression face fashion fun funky funny graphic groovy hallucination happy head hippie hipster illustration joy party pattern positive poster print psychedelic rave retro seamless smile smiley style surreal symbol techno trendy trip trippy vector wallpaper