Transformers Sickfic: Nasty by rotsquad

Title: Nasty
Author: rotsquad
Gender Getting Sick: Male
Character Relationship: Homosexual
Link: http://archiveofourown.org/works/3338942/chapters/7302560

Seems to be an abandoned multichapter, but seems to be an interesting start with Pharma finding Tarn enjoying that he puked on him.