What is Dirty Johnson?
1.
An act during
Man, did you see him give him a dirty johnson in only 3 minutes?
Sydney, stop giving random men dirty johnsons!
See
2.
1) Ditching a dance or formal event in order to go to a romantic escapade involving sexual activities.
2) When a woman named Sydney Johnson goes down on you.
3) To have
"Oh man! Joseph gave Kara a Dirty Johnson at prom!"
"Oh man, she gave me the best Dirty Johnson last night!"
He wanted to have sex but she just wanted a Dirty Johnson.
See