When a girl gets penetrated in her anus and vaginal holes (at the same time), she is having a 'sausage sandwich'.

When two girls are in the act of scissoring, you put your dick in between their vaginas and sit back and relax

Where people fuck eachother during Australia Day.

the act of performing sexual intercourse upon a hammy fanny or any vagina

A sexual act involving 2 men and a woman. One of the men and the woman assume the usual position of a 69 (reciprical oral engagement of genitalia), while the 2nd man places himself in a spooning position of the woman; inseration of one of the woman's lower orifices.

When you go to a party full of ridiculously hung dudes who then procede to stack their units together like the game Jenga. Then add a nice piece of iceberg lettuce, vine rippened tomato, and a few slices of aged Vermount Cheddar. You have the option of having a SPS on whole wheat, rye, or white. It can also be served in panini form (see Peni Panini).

To have two woman position themselves opposite of each other with their legs open while sitting on top of a man and then they squeeze his cock between their cunts and move themselves up and down.