look up any word, like smh:
 
1.
To share a cigarette.
Person A: Damn, there's only one cigarette left in the pack.
Person B: Let's counter that.

Person A: I cant finish a whole cigarette.
Person B: Alright we'll counter it.
by PAPASP August 16, 2013
 
2.
a person who counts everything in their relationship
My girlfriend just told me its our 2 weeks aniversery
Damn she's definitely a counter.
by Broman3 January 18, 2010