Having a head larger and more irregularly shaped than normally associated with the species. Misshapen and hugelike a bull's head.
1. The Elephant Man had a bullyum head.
2. Billy Quizboy has a bullyum head.
3. Ben you've got such a bullyum head.
4. "Once there was an eel-monkey with a bullyum head." (from a sketch on "Kids In The Hall")
An exceptionally large cranium. Typically larger than a normal neck should be able to support. Known for inability to wear a turtleneck sweater or regular t-shirt. Favours hoodies or button ups.
Hey! Bullomhead! Move so I can see the IMAX screen please.