look up any word, like fellated:
 
1.
Like underwear but more fun.
What kind of underwear are you wearing?
-Funderwear
Oh yea?
-Yea, mine is hello kitty print.
by Papriko August 01, 2006
 
2.
fun underwear.lacey,see thru,or colorful underwear
see her whale tail,looks like some funderwear!
by vanillagorilla1981 August 05, 2009
 
3.
Underwear which has a silly or amusing design printed into it.
That man is wearing batman funderwear.
by snucumber October 13, 2010
 
4.
Not your average everyday underwear. Mostly used for 'special occaisions' aka fun. Thongs, bikinis, lace, silk, etc.
'I'm goin out with Joe tonight so I'm gonna wear my funderwear just in case the evening goes well'.
by J. Vicious April 19, 2010
 
5.
combination of "fucking" and "underwear"; used when having a wedgie
Brandi: "Ugh, my funderwear are not currently cooperating!!"
by lkjni3 October 16, 2009
 
6.
'Funny underwear'! The ones with a yellow smiley face on the front (and the back...), underwear that bears funny messages, ...
Funderwear is a complete no-no for real men!
by hammer---;, hytham April 10, 2007
 
7.
for women: if your heehee has lost its sense of humor, funderwear has you laughing all over the place.

for men: if your dingaling has lost its ringading, funderwear has you chiming for hours and hours
if it wasn't for funderwear then i'd be wearing underwear. and who wants that?
by Badoink A Doink July 14, 2008