Fillabuster-To shoot a cop. 'Filla' is another way of saying 'fill a', and in this context, it can be assumed the speaker means fill with bullets. 'Buster' refers to how cops call arresting someone busting them.

A term used to reference cannabis/marijuana/weed.

A depressed sex partner who afflicts their partners with the same level of depression.

The act of having sex with someone who is depressed. The depression then infects you like a disease.