The idiot that you love and hate. He always makes lame and useless cringy jokes with the sole purpose to piss someone off. They usually don't care and they have even more fun when you criticize them. They are the source of negative energy in your friend group.
Kos om bdan abook ya Adham hateboer, you're such afucking chibbister! Lame fucker.
I'm loving Chubbins's attempt at insulting me with the name of the mysterious poster in the definition below. Personally, I think my insulting post was much better.
Hugh: "Don't you think Chubbins is a bit of a knob?"