When you're just too horny and can't really think about what you're doing.
When you're in caveman mode, it's important to ejaculate as soon as possible in order to reach post-nut clarity, or it could lead to dire consequences.
Don't stay in caveman mode too long, we don't want you going to jail for cumming in that girl's coffee.
A mode in the Opera browser which is supposed to help the browser work better on slower internet connections. Strangely it accesses blocked websites when active so you can get on thepiratebay... if that's what you want.
Firefox: I am the most efficient web browser!
Chrome: No you're not, I am.
Firefox: Then why do you use so much memory then?
Chrome: Because I run faster than you.
Opera: Hey I can get on blocked websites!
Firefox: No you can't
Opera: Just watch
10 seconds later
Opera: See? My turbo mode allows me to access websites which are blocked.
Firefox and Chrome: SHIT! I CAN'T GET ON PIRATEBAY, STUPID ISP BLOCKING!