To null an effect or attack with ease or minimal effort

When you are running to the objective in battlefield 4 and you get randomly killed by a tank in the distance or one that pulls up out of nowhere to kill you.

: to fail at something pretty harshly

Metaphorically, "tank sinks to the bottom of the sea.

To pipe someone down.

To bang(smash)

When a guy doesn’t talk to you for several hours but you’re dating

When a person stops in the middle of a hookup to tell the other person that he/she is into someone else, usually to let the person getting tanked (the tankie) know that the hookup is only casual and won't go anywhere

A subejective rejection mood. It's one of those emotional times (mostly found in guys) where you don't want to be subjectively nice to a certain person. Everyone can notice the mood, it's the mood between aggetated and pissed off. Another way to say Tanked Off is a boys time of month.