Similar to the Eiffel Tower one man gives it to the female doggy style and the other recieves a blow job simultaneously. In this position the girls' torso forms the middle part of the H and the men with their arms at side or raised form the legs. With pumping the H wobbles back and forth.
People assume that time is a strict progression of cause to affect, but actually, from a non-linier, non subjective point of view it is more like a big ball of wibbily wobbly timey wimey...stuff
Doctor Who (David Tennant)
for the use of wibbily wobbly timey wimey see definition, given by timelord David Tenant. From the television show Doctor Who