Pimple Junkie

Person (usually a woman and/or relative) who, at the sight of someone's pimple, can not help themselves but to bust the pimple. The pimple junkie will often nag until the pimple-prone person will let them bust the zit.

Mother : Oh my goodness what a huge zit on your your face! Come here so I can bust it.

Son : No mom... You are such a pimple junkie!