-Just hanging out;
-Being the coolest guy in the room;
-Being cool when your friends are freakin out;
-Pertaining to chilling out, being cool, hanging out.
-Eelin comes from the Minneapolis Hip Scene meaning being cool and or chillin out.
A.) Hey brotha how was the party last night?
B.) It was eelin.
A.) O so it was chill? What are you doing today?
B.) Yeah it was eel. I'm just eelin around the crib til i gotta stop chillin and go to work.