The Gulfstream G500 business jet. With its two Rolls-Royce BR710 engines, this thing can fly from LA to Moscow without refueling.

Got the covid-19 vaccine

G-5 refers to, and is short for, the Gulfstream 500, which is a private jet aircraft. (from Jesse McCartney song Leavin')

A type of dance that involves bending of the knees and Tpain.

G-5 is a plane that is very nice

Type of dance popularized by music artist T-Pain where one imitates the G5 Jet by having their arms out on their sides. Often demonstrated after one bends their knees getting low while dancing at a club. May have derived from the "Hyphy" movement of the Bay Area and if not, has been adopted by the movement.

Dance created by T-Pain.
You put your arms at like a 90 degree angle, spread your legs and rock back and forth. You can see this is the music video Pop Lock and Drop it by Huey, and probably some others.