When you masturbate for so long there is blood from chaffing, by the time you ejaculate the semen will be mixed with blood.

to tell someone to calm down and relax.

Where a group of Multicultral people wank each other off (in a whole group)

When you kneel on the floor, pants down, cock in hand, then lay out all your favourite porn mags on your preferred climax pages in a rainbow shape around you and then have a wank.