Full ass sticky back
When you put your balls up someone's ass but leave your dick out so you can jack off on their back.
:oh man Why's your shirt all wet?
:Someone stuck their balls up my ass but left their dick out so they could jack off on my back.
:That sucks, you got a full ass sticky back
:Someone stuck their balls up my ass but left their dick out so they could jack off on my back.
:That sucks, you got a full ass sticky back