A action portrayed by master electricitans by bumping the crotch areas together. Only the best of the best electrical professionals perform this act. The friction of bumping/contacting both crotches together conducts its own electrical fusion. This can only be performed when both participating are wearing a working mansblue jean.
Foreman: Hey Utters, you got that wired up yet?
Worker: No not yet, me and the journey man are up here bumping cat-heads getting prepared.
Referring to the head size of a non or late neutered male cat which are typically larger then the female. Common slang used by West Virginia Hillbillys to indicate that someone is smart.
"Willie Ray always remembers where stuff is at. That boy got a head on him like a tomcat." Tom cat head