(noun) The opposite of gaslighting. Gasdimming involves helping someone to realise that they are perfectly sane, lucid and are worthy of love and affection; particularly if they have recently been the victim of a gaslighter.
I'm so happy that Susannah's new boyfriend is gasdimming her, not like the last dickhead she went out with.
A slang portmanteau used by residents of the Edwardsville/Glen Carbon, Illinois area as a name for the McDonald's and Circle K at the corner of Center Grove Road and State Route 157 in Edwardsville, IL.
The act of unintentionally gaslighting someone because you're genuinely unaware that what you're saying isn't actually true.
Brian: That car's purple and green, just like Barney.
Jason: Barney wasn't green, he was just purple.
Brian: I just looked it up and he was in fact purple and green.
Jason: Oh shit, sorry for gasdarking you bro.
Noun: (1) a dick that is so small, the woman feels as if she is trying to queef during sex. (2) a dick that putters from disuse. (3) a dick that has recently been involved in anal sex and now smells "gassy."