When you get a view of breasts from the side, usually through an opening between buttons on a woman's blouse or the arm of her shirt.
The lady sitting next to me had a shirt on that was giving off some major side hogan.
by Ryan Hennessy October 17, 2006
The part of a woman's breast that peeks out the side of skimpy clothing.
Check out that girl in the backless dress - major side hogan, dude.
by RudebotX December 29, 2006