A proponent of the so-called "transcendental argument for the existence of God", an apologetic strategy primarily associated with Dutch-Reformed presuppositional apologetics, and often referred to by the abbreviation "TAG".
People who tag extremely unflattering and heinous pictures of you and put them up on social networking sights without your previous knowledge of that picture ever being taken.
A "Taggot" can also refer to the people who fail to tag you in a hideous picture which you discover 9 months later after everyone on your friends' list and theirs has seen it.
Amanda: "Oh my gosh! Callie took a hideous picture of me drunk at last years New Years party and she never tagged me in it! I look like a sub-human miscreation!"
Gabby: "UGH! She's done that to me before! She is such a taggot!"
A Taggot! is an individual who tags horrible photos of themselves and friends on Facebook for the sole purpose of increasing their photo count as well as displaying their popularity to friends back home.
Nick is a Taggot! for tagging me in that photo... I look like a just shit myself.
Laura is such a Taggot! for tagging her foot in my Hanukkah 2008 album.