[esafak]

I don't think this merited a wiki link :)

[no_wizard]

Its an international forum, there may be at least 1 person who hasn't encountered this colloquialism before. It hinders nothing yet may be informative to someone who's unfamiliar.

[Akronymus]

And I dont see how the link detracts from the post at all. For ESL people, like me, it can be quite helpful to have such a link. (i find myself looking up such phrases quite often)

[nazgulsenpai]

Perhaps in consideration of a non-native English speaker who might not understand the phrase.