A common expression when someone is witnessing a gross, disgusting, revolting, or generally displeasing or uncomfortable action.

1st Dude: "Not Cool," a warning to the person starting the action
2st Dude: Rising anger, starting to understand what is happening
3rd Dude: Total outrage and bafflement, shock at what is taking place.

Manlove, gay sex, love between two men (typically homosexuals).

the man for his time and place

Jay from the Kubz Scouts.

n. (Your Dudness or His Dudeness or Her Dudeness) title used to establish one's ultimate position in the "dude" hierarchy, "Dudeness" being the ultimate ruler of all or at least most other dudes.

Her life was in your hands, Dude.

Very frequent using of 'dude'