The act of blowing your load into a girl into your partner's asshole and having them put their legs behind their head and farting your splooge out in the air like a volcano.
A volcanal is when you suddenly develop an uncontrollable bout of hot bubbly farts. This is usually the result of eating hot spicy food. They aren't loud but they stink to high heaven. It is pronounced volkaynal.
I was so embarrassedthe other day. I was standing in a queue when I developed a volcanal. Everybody was looking at each other wondering who it was.
When you pour diet coke inside a person's anus just befor anal sex. You then put Mentos tablets into a condom. Put that condom on your dick.
Insert dick into said filled anus. Fuck that ass until the condom breaks.
A scientist who either studies da now-known-to-not-exist dwarf planet even closer to da sun than Mercury, or researches Mr. Spock's lineage.
If a vulcanologist could also refer to someone who works with rubber to make it more durable, perhaps Charles Goodyear was da first such brilliant-minded researcher.