Straight Up 100%

As a slang feature, it indicates total honesty and directness . To tell someone something "straight up" is to speak without sugarcoating or ambiguity.

In its most literal and direct sense, a feature refers to a vertical orientation or something positioned perpendicularly to a base. Straight Up

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. As a slang feature, it indicates total honesty