geek appeal 

geek appeal 
–noun
1.
the ability to excite people about something regarded as geeky or nerdy.
2.
immediate appeal or obvious potential to interest or excite others, as by appearance, style, or charm with respect to things geeky or nerdy.

The name alone of the Givenchy fragrance Pi has major geek appeal, depending on who you ask.

geek appeal by helenhiccup November 22, 2011