The act of playing Skyrim. Usually implies that an individual has rearranged all priorities in life and has placed playing Skyrim as their number one hobby. An individual who truly partakes in Skyrimin' has most likely abandoned all social interaction with the outside world; this includes school, work, and family time.
Jake: You coming to my party this weekend bro?
Ryan: No man, I'll be Skyrimin' all weekend
Girlfriend: How come you never come over anymore?
Boyfriend: Sorry babe, I've been too busy Skyrimin'
Mom: I havent seen you in a week! Are you in a gang?!
Son: No, mom. I've been in my room Skyrimin' the whole time