the act of masturbating(actually or mentally) to your own photos, mirror reflections, etc.
"Hate those faggots, selfsturbating in the gym all the time. That's not what those mirrors are for!
"I remember this one time I caught my ex selfsturbating to her own nudes! Fuck!"
a self - indulgent, yet funny and somewhat sexy entity, that usually has a strong itch for dirty bricks and a sausage.
"You know, honey, I used to be a hell of a lerkins back in the day, before I met you. I always needed a lil' somethin' somethin', u know".