Definitions by Dr Diddy

Sidesack 

viewing a testicle from the side

Did you see it?
No all I got was sidesack

Sidesack by Dr Diddy January 21, 2009

Backsack 

to view testicles from behind usually caught on camera upon showing your friends your arse and leaning a little too far forward

On reviweing holiday pics:
"that was when you got your arse out, whats that dark patch between your legs?"
"backsack"

Backsack by Dr Diddy January 21, 2009