groove thing

Refers to the "groove" seen when her pants are too tight.

Hot Gossip about "Brit" reports
"The Daily News reports that just hours after allegedly giving Federline the heave-ho, the semi-retired pop starlet burned off steam by shaking her groove thing with some girlfriends at L.A. hotspot LAX"

groove thing by Danny dan December 8, 2005

groove thang

When Rick Grimes has a song stuck inside his head so he starts to dance unstably.

"Yo what's wrong with Rick?"

"I don't know maybe it's his groove thang."

groove thang by Draco Lucius Malfoy June 17, 2016

groovething 

What you shake on the dance floor, like your booty, but it’s your whole body movin’ to the music.

Peaches and Herb first taught me how to shake my groovething, ya-ya.

groovething by Dr Bunnygirl January 10, 2019