Someone who takes performance-enhancing substances such as androgens, testosterone, steroids, and such and becomes prone to sexual stimulation as a result, as well as forcing themselves on a potential victim, likely becoming angry if they resist, even more so prone to anger due to the substance-abuse.
Olaf: You heard about what happened to Arnie at the stripclub?
The irrational frustration, annoyance, or outright hatred one feels when faced with the task of starting a new roll of toilet paper—especially when the previous person left onesquare or just the empty cardboard tube.
"I walked into the bathroom and saw the empty roll again. Instant rollrage. Who keeps doing this?"