a guy/girl who doesno prep work or heavy lifting prior to a relationship--he/she just slides in during a crisis and steals the vulnerable prize.
When Sarah's cat was hit by a car, she decided that we should take a break, it was during this period that her veterinarian slid in and became the bungler to our relationship.
A person who profusely gravitates to get in or around your rectum or someone who is pain in the rectum. This will usually commence during toilet encounters when someone will wait for you sit on the toilet when out of nowhere their finger enters your rectum.