2 definitions by Chrissy0913
Stands for Mysterious Drinking Accidents, occuring after a heavy night of irresponsible drinking. One awakens the next day to find bruises, scrapes, cuts, etc. and NO recollection of how they got there.
"I have this huge bruise on my arm, but I have no idea where it came from. Must be an MDA from last nite."
by Chrissy0913 December 5, 2005
The fleshy fun-bridge between the balls and asshole. Pressure to this area during sexual foreplay may elicit a more powerful orgasm.
by Chrissy0913 December 4, 2005