Writer's Block: A rose by any other name ...

first_quadrant
Inspiration: Math, name (literal)
The axes of a two-dimensional Cartesian system divide the plane into four infinite regions, called quadrants, each bounded by two half-axes. These are often numbered from 1st to 4th and denoted by Roman numerals: I (where the signs of the two coordinates are (+,+)...

...In analytic geometry, unknown or generic coordinates are often denoted by the letters x and y on the plane...

Ergo, first-quadrant = x,y~

And, some of the ones I've been asked...

autos_da_fe
Inspiration: Fire, punishment
In the popular imagination, "auto-da-fé" has come to refer to burning at the stake for heresy.

capmangoe
Inspiration: Byakuya, losing a lot
Shooting the moon, also known as getting control, capmangoe or running, is a very common scoring variant. If one player takes all the penalty cards on one deal, that player's score remains unchanged while 26 penalty points are added to the scores of each of the other three players.

screenprintskin
Inspiration: Tattoos, moving to a modern setting
Screen printing is also a stencil method of print making in which a design is imposed on a screen of silk or other fine mesh, with blank areas coated with an impermeable substance, and ink is forced through the mesh onto the printing surface.

to_your_fiddle
Inspiration: Name (literal)
Yumichika: "bow" (archery or violin); "relative" or "familiarity"