1. a women/man/animal who wishes upon a very special intimate present for christmas and goes to extreme lengths in order to receive IT.
2. santas (un)secret girlfriend (also known as Sarah)reknown for being very horny and slutty
3.a women/man/child of unidentified sex with whom santa would like to have sexual relations due to their seductive slutty nature
4. a person acting very slutty during christmas holidays
1. man, my dad is such a santaslut, last christmas he disguised his ass as a chimney and waited for santa on the roof all night
A: hey, isn't that santaslut?
B: Oh...yeah that's her, she IS a santaslut!
3.Santa to Santaslut: wuzzup dawg, i would gladly leave a present in that ass ya hear!?!
4.on 27th of december: Julie! We're through, you santaslut! I don't regret it that much since you weren't that good in bed, which most of my friends can now confirm!