IMSB

Abbreviation for "I might stop by". Used when one is unable to commit to plans due to fears that something might be occurring that is more fun than the proposed invitation.

I asked Carl if he wanted to come over for a beer, but since he was also considering a trip to the bar he replied, "IMSB".

Magriculture

The science of categorizing and observing the many personalities of people, often in a format that includes an adjective followed by the person's name.

I was practicing magriculture when I saw Carl cooking and exclaimed, "I hear ya, Culinary Carl"