The sexual act of 2 men "69ing" with lime (No you can't fucking use orange) Otter Pops in their anal cavities. As things get heated the ice pops melt and you get a treat to reward you for doing a good job.
* on phone* "Yo, Jake and I totally pulled a Mississippi Mug Dog last night. It was amazing, you should try it. Yeah, ok, love you too mom."
by MindOverModder October 8, 2017
Get the Mississippi Mug Dogmug.