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1.
A process or action that has been practiced over time so that it becomes natural or habitual.
"Wow! You dribble the basketball so well!" "Oh, it's second nature to me. I've been playing basketball since i was 5 years old."
by The REAL JT April 06, 2008
 
2.
A process or action that has been practiced over time so that it becomes natural or habitual.
"Wow! You dribble the basketball so well!" "Oh, it's second nature to me. I've been playing basketball since i was 5 years old."
by The REAL JT April 05, 2008