A four stringed instrument, part of the rhythm section in a band. No band is complete without a bassist.
Bass is, after all, the sexiest instrument.
A made up word by Patrick Star on Spongebob Squarepants.
Patrick: You have it set to M for mini when it should be set to W for Wambo.
Spongebob: Wambo? I don't think that's a real word, Patrick...
Patrick: Of course it is, you know...I wambo, you wambo, he, she, me, wambo. Wambology, the study of wama. It's first grade, spongebob!
The two were discussing a setting on Mermaidman's belt which Spongebob had taken when Mermaidman left it behind.