If you are looking for specific applications of this term across different contexts, here are the primary "features" it describes:
In mixology, a "straight up" feature means a drink has been chilled (shaken or stirred with ice) but is strained and served without ice in a stemmed glass. Straight Up
For eggs, a "straight up" feature (often used interchangeably with "sunny-side up") refers to eggs fried with the yolk remaining on top and uncooked . Straight Up' Clip: James Sweeney's Comedy Explores OCD Love If you are looking for specific applications of
Straight Up (2019) is a feature film directed by James Sweeney that explores themes of OCD and unconventional romance. Straight Up