When an US citizen explains in detail characteristics of a culture, movement, country or race to a non-US citizen in a self-entitled way, always assuming their opinion is the most educated one. Most of the times, the opinions of gringosplainers are wrong.
"Look, I know you're from Argentina, but Argentinians aren't real latinos because they're white." "So you are gringosplaining me my own country? Andate a joder a la concha de tu madre."
The sexual organs of a female homo sapien who's child has also had a child. Known for being particularly dry, dusty, and decrepit.
Fentilworth: I spied you canoodling with Mrs. Pennybone last night. Don't deny it, Fergwelstein!
Fergwelstein: I say, nothing gets past your monacled eye does it Fentilworth. I was indeed balls deep in Mrs. Pennybone's grangina!
Fentilworth: Bravo!