to defecate, or have a bowel movement
I was writing a paper, but I had to stop and go take a devlin before I could finish.
4π 2π
Means "taking a dump", "shit", "crap".
In the movie, Just Go With It, Katherine (Jennifer Aniston) calls βtaking a dumpβ, "Taking a Devlin,β which she names after an obnoxious sorority roommate she once had, who she inadvertently runs into in Hawaii (Nicole Kidman).
Where's your brother?" "Taking a Devlin
46π 27π