Despite how it sounds, it is actually an adjective, used to describe something you like or to give approval.
As a noun, dopey sauce refers to an incredibly rare substance made from Nancy extract mixed with ginger ale. It is known for its aphrodisiacal properties and adds 69,420 points to your sassiness. May cause stomach upset in some people, causing you to postpone IKEA dates.
Someone that looks the exact same as another person. yet not a twin. ghost identical to living person: an apparition in the form of a double of a living person
yo i sawsomeone that looked just like u...could have been your doppelganger