A snog that should be left for the dimmed lights of the disco as its a bit extreme for public viewing.
Coined by 2013 Livingston Top Shagger, Jordan Sim
Looked along the end of the bar and there was Blair disco winchin' the face aff some creature.
A kiss using tongues between yourself and a random person in a bar/club. Both under the influence on alcohol and most likely to not remember it happening.
"Mad Brenda was heavy disco winchin a mad random last night"
"Aw naw, I've got flashbacks of disco winchin a mad random last night"