tonolinguistics 

the study of tone languages such as Chinese, Somali and Bantu.

Tonolinguistics is a difficult genre of linguistics, I presume.

tonolinguistics by uttam maharjan December 12, 2010

conolinguistics 

the art of conolingus (aka oral performed on females)

Nik:Bob and Beth have been hanging out in each others' romms a lot.
Tina:Well, yes, Bob's quite fluent in conolinguistics.

conolinguistics by Jkope November 16, 2010