A person who believes building more housing and getting rid of cars would solve the homeless crisis, but doesn't dive deeper into housing policy or fixing public transportation. Usually tech bros from San Francisco who love airbnb.
YIMBY stands for "Yes In My Back Yard", and is a person who has a build it at all costs mentality and no regard for heritage and public amenity. Often considered the 'useful idiots' of the property development industry, a YIMBY will often use social media to provide free astroturfingfor the cause. The YIMBY is a polar opposite of a NIMBY.
a yimmy ghey is a fat blunt rolled with mid-grade or schwag marijuana, usually laced with other drugs or caffiene pills to heighten the effect, terminology popular in Wisconsin