1 definition by Crunkay
A usually green (can be yellow or red, depending on the Sim), diamond-shaped parallelogram over the head of a Sim character from the two best-selling PC games of all time, The Sims and The Sims 2, that depicts the mood that specific Sim is in.
Sim 1: Hi, I have a green plumbob. I am happy.
Sim 2: Hi, I have a yellow plumbob. I am not too happy, not too sad.
Sim 3: Hi, my plumbob is red and I suggest you fuck off before I rip your asshole apart because I'm angry.
Sim 2: Hi, I have a yellow plumbob. I am not too happy, not too sad.
Sim 3: Hi, my plumbob is red and I suggest you fuck off before I rip your asshole apart because I'm angry.
by Crunkay July 10, 2005