SDAs generally occur after long silences. It is not considered an SDA if it is brought about by any action of the two (or possibly more) parties.
Jill: (out of the blue) I LOVE YOU I LOVE YOU I LOVE YOU! (hugs and kisses Jack)
Jack: Boy, it seems i am at the business end of a serious SDA!
Adj. Desdribing unfavorable traits of character or circumstance stemming from a false or irrational foundation. temporary or permanent.
i.e. Something that sucks and makes no sense.
Orgin - Acronym for Seventh Day Adventists
"Your girlfreind thinks you cheated on her?"
"Yeah shes been pretty SDA lately"
-A member of a sect of Adventism distinguished chiefly for its observance of the Sabbath on Saturday. Very kind people who welcome anyone with a helping hand. Do not cause harm or force anyone to love God but it is a mere choice. Have real morals and beliefs and a strong foundation. Everything is backed up correctly. Many facilities are based and started up from the SDA.
Paul: Sorry I am SDA and must attend practices for religious reasons. How about any other 2 days you need to be covered for?
*Hospitality and Godliness
Just a mere definition and example.