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1.
protected, soft, foam covered.
Darryl: (to Michael) You live a sweet, little, nerfy life. Sitting on your biscuit, never having to risk it. - The Office; Season 3, Episode 20
by ILoveTheOffice77 March 05, 2011
 
2.
a person being both nerdy and goofy...typically being skilled at computer programming
Wow! Look at that guy at the computer over there, he's so cute and nerfy! LOL
by Nerfet March 11, 2010
 
3.
feeling of discomfort or awkwardness.
"i ate a ton of strawberries and they made my stomach feel really nerfy"
by alysssssaaaaaaaaa August 20, 2008