look up any word, like spook:
 
1.
An exclamation to be used when something really good has happened
"I just got an A on my test. Check plus!"
by NJ February 22, 2006
 
2.
a man with sexy arms, a nice ass, and an overall nice sex appeal
Excuse me sir, you with the nice ass and nice arms, you are a checkplus.
by buhrandee November 17, 2010