Like a Cleveland Steamer, except the person crapping on the other person's chest has crabs.
That dirty bitch gave me a Baltimore Steamer. Now my chest and my beard are all itchy.
by J. Windsock July 10, 2011
2 more definitions
A really large, horrible smelling defication.
Molly was so drunk she left a nasty Baltimore Steamer on my pillow!
by Johnny Woodenpants December 29, 2008
When you season your dick with Old Bay for the sexual pleasure of your partner.
I really wanted to show Megan a good time, so I gave her a Baltimore Steamer.
by The Baltimore Crab Steamer June 09, 2014