The art of penetrating someone's scapula (i.e. shoulder blade) by forcing your fingers between the bone and the muscles. Must be done while a person is unawares and unwilling.
Being addicted to unpredictable behavior in a relationship.
A relationship with a guy or girl that is so unpredictable, that waiting for them to be nice becomes addictive - much like in the way that playing a slot machine repetitively waiting for 3 cherries is addictive.
I'm sick of Kristy complaining about never knowing if her boyfriend is going to be nice to her or be a jerk...she needs to get out of that slotlationship!