Upshift

[Donald Trump]

When one is under the influence of [hallucinogenic] substances and is thinking so fast or unclearly that they cannot maintain a [steady] [stream] of though. The act of losing the thought previous is called the upshift.

[Agnes]

Change to a higher gear in a motor vehicle.

[exinilu]

(verb) A [transitional] moment during [doggy-style] or sex from behind when a male moves his [erection] from the vagina and inserts it in the anus.

[Sommer]

to spend more time working and earning money, or to get a job that is better paid and more difficult: