A bellshabob doesn't have a solid definition. Originally designed as a shish-ka-bob of bells. Normally used in the phrase "You bet your bellshabobs" as an affirmative. If asked for the definition, you must give an outrageous answer that's never been used before.
"HeySarah, you wanna go to the mall?"
"You bet your bellshabobs."
"...okay..."
"Hey Joe, what's a bellshabob?"
"A rare type of STD that looks like gold chickenpox on your dick."
Another word for a person who is a dick. More playful and abstract than the word dick, also used to describe someone when they do a silly or dickish thing.
Can also used to describe a silly or stupid action.
He's a bit of a bellshaft.
You're acting like a bellshaft.
That was a bit of a bellshaft thing to do.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"