" offhand "

 [ "offhand" ]

1: To know something `offhand`: without having to refer to a source.

  * e.g.,  ... PersonA: Hey, do you by chance know offhand who's going to be teaching physics this semester? 

 [ "Offhanded" ]

1: Something done without thinking.

  * e.g.,  ... "Honey I didn't need that Offhanded reply to my serious question! 

 [ "Offhanded" ]

2: Doing or saying the first thing

  * e.g.,  ... Should I get an Xbox360 or the PS3?" 

 [ "Offhanded" ]

3: that pops into your mind.

 [ "offhanded comment" ]

1: A comment made without thinking.

  * e.g.,  ... Example of an Offhanded Comment 

 [ "offhand jack" ]

1: An individual that jerks off utilizing their lesser used hand. Term can also be used to describe the action of utilizing one’s off-hand for such.

  * e.g.,  ... “Sleepy stranger?” I prefer not to sit on my arm, but I have always been one for an offhand Jack. 

 [ "Offhand" ]

1: Offhand was a family of axe killers no one ever caught.

  * e.g.,  ... Don't cross the offhands