A person who thinks that he/ she is proficient at gaining the attention of attractive individuals in a social setting (wingman) however, their proficiency is questionable and is mocked openly by the previously mentioned attractive individuals.
"Wow, John is a real Wing dinger.." said with a tone of sarcastic disdain.
Wingdinger means "sweet!" It's Irish of origin, referring to fairies that flew around with bells and were indentified with good luck. It is widely thought the wingdingers were the inspiration for Disney's Tinkerbell.
A Shackteau is a humble, weather-beaten, structurally questionable shelter located in a spectacular or highly coveted place—Wales, Jackson Hole, Sun Valley, Crested Butte, coastal Maine, the Alps—where the building itself may be worth almost nothing, but the dirt, view, access, and mythology make it absurdly valuable.
In use:
Shackteâu - We thought it was an abandoned shed until the realtor called it a rare alpine Shackteâu with unobstructed views and listed it for $2 million.