What is No-brainer?
1.
Something so obvious to be correct/appropriate, that it requires no contemplation to decide on.
It was a no-brainer for Zack to wear a condom when he banged that disease infected whore (ewwwww).
2.
A girl who won't perform oral sex.
She's cool and all, but she's a no-brainer, so you'll have to settle for an
old-fashioned .
See
