pair whore
a person who will pair up with you to complete academic or work assignments.
my pair whore helped me complete tonight's assignment and I contributed as her pair whore to fill in the answers she did not know.
pairing whore
A character in fan fiction that is/can be/ has been paired up with just about any male and/or female character from the original work. Whether it is out of character (also know as OC) or not.
Haruno Sakura (from Naruto) has been paired or has fallen in love with just about anyone as has Hermione Granger thus making them pairing whores.