swing neck 

When you suck dick so hard your neck becomes too lose and it just starts to swing around

"Dude Cassidy and I had sex last night". "Nice, did she swing neck?" "Hell yes. Her head was bobbing back and forth!"

swing neck by John Doe 3258635 June 17, 2018

to swing neck 

To swing neck means to suck, a gargantuan dick. So big, you can't do it by simply putting it in your mouth. You have to go to the point to deep throat the colossus and swing your whole neck (and upper body) back and forth to really suck the whole giant

Hey did you hear about how Melissa blew Michael?
Yeah! I heard she really had to swing neck to fit it in...

Hey, have you seen Johnny lately?
Yeah, heard he's been swinging neck by the corner!
Oh daamn! I knew he was gay but not that much!!

to swing neck by Festive Bear July 21, 2017

swing the neck

How Sky Williams, a popular League of Legends YouTuber and all around funny human being, appeals to his teammates in order to win games, acquire ELO, and climb the ranked ladder. "Swinging the neck" involves metaphorically, and only sometimes literally, giving an allied League of Legends summoner oral sex to make them feel good and boost their confidence on the rift.

Sky - "Ooooooooo this Draven just double killed bot lane? Lemme swing the neck on this Draven dick."

Ryan - "Oh god I had this Fiddle last game who was so troll, he went like 0/20 and build a BT."
Sky - "Shoulda swung the neck nigga."

swing the neck by sds_phage May 19, 2016

Neck Swing 

n., another word for noose

1. "I can't come to the party mom—I'm on my neck swing!!"

2. 'I don't get it; shooting yourself is far quicker and less painful...'

"Yeah, but haven't you heard? Neck swings are the shit again!"

Neck Swing by iAmNotLegend January 6, 2022

swing that neck

To give someone head

"Sandy Gonna swing that neck for spongebob"

swing that neck by Nickolodeon May 14, 2016

swing that neck

To inflict oral sex on a partner voraciously. A partner, for a normal blowjob, will go up and down, but when your partner "swings that neck", it involves a wide range of motion for suckage to occur.

example: a fast, almost violent, circular or triangular motion.

Swing That Neck: a vicious, fast, and movement filled blowjob, where the partner sucking will go ape shit on the dick.

"She didn't just suck it man, she swung that neck. It was crazy. "

swing that neck by Davonte Stevenson May 20, 2016

Swing that neck

A ferocious blowjob

Damn, Stacey can swing that neck

Swing that neck by Longschlongbill May 21, 2016