Define Drain Plug Meaning

Drain Plug
Having sex with a pregnant woman who is having contractions.

Man, one minute I was having sex with this pregnant chick, next thing you know I'm being a drain plug.
By Evita
Drain Plugged
To be so severely constipated and in desperate need of a bowel movement that multiple forms of treatments are used and repeated over and over to create the needed stool looseness to have an eventual release aka ass blast, assplosion.

Frank decided to join in and climb aboard the gluten free diet train. After several days, Frank realized the new diet, while gluten free, was largely starch based and low in protein and dietary fiber and he was desperately Drain Plugged. After seven consecutive enemas, he finally popped the squirt cork.
By Adara