If the beat has a guitar loop, lean into a more "folk-trap" vocal delivery.
"Ice in the glass, watch it melt to the floorI don’t even know what I’m fighting for anymoreTwo-door sliding through the city like a ghostThinking ‘bout the things that I probably miss the mostBut the champagne’s cold and the ceiling’s goneI’ve been awake since the break of dawnEverybody’s talking but I’m tuned outThis is what they never told me ‘bout..." free_post_malone_type_beat_out_of_mind
(Sung with a slight rasp and heavy reverb) "Yeah, I’m way out of line, way out of sightLeft all those memories back in the nightRunning 'til I’m out of breath, out of timeNow I’m just trying to stay out of my mind(Out of my mind, yeah, out of my mind)" If the beat has a guitar loop, lean
Here is some original text (lyrics/hooks) you can use or adapt for this specific style: I’m way out of line
To make the text truly fit that "Posty" aesthetic, keep these elements in mind: