necking on 

to passionately kiss someone - generally a type of snog.

hazza: mate were you necking on or tashing on with that lass?
bazza: mate we were necking on

necking on by tonkles April 2, 2015

Necking on 

To kiss someone but with a lot of tongue. The tongue goes in the direction of the throat. Also known as to get off

Ay, I thought I saw you to necking on at Jessie's party

Necking on by KermitdaFrog✌✌ May 16, 2016

Neckington 

Gonna go get some neck.

My mans Jp finna go get the neckington bruh!

Neckington by swagstar1111111111 October 22, 2010