Do you know what are two heads and two pairs of lips?
597294
nice one....\n\nthe d i c k head and their head and the girls p u s s y lips and lips
1002155
Double entendre ahoy!
765316
Both have two "a"s in their name.
1093900
tulips (2 lips) on ur organ...lol.
1124139
men have two heads\none has no BRAIN.
974746
because they have two heads and think that two think better than one
764663
What there's more than one?.
151206
I don't know why everything is based on two things, but I think that the things you mention are either pairs, complimentary, or opposites.\nHere's a few more, just to tickle your brain!\nHot & cold\nright & wrong\nright & left\nugly & beautiful\ntop & bottom\nrich & poor\nin & out\nbackward & forward\nI could go on & on....but we get the idea!!
182897
two, one at the end of each leg.
735910
Skin\nLiver\nBrain\nLungs (paired)\nHeart\nIntestines
975718
ear, eye, lip, toe, jaw, gum, hip, rib, leg, arm
745808
two ... my mouth is quite small
1071434
A penis with lips? What the...
379470
depends on which lips i kiss ;)
600264
Two Hemisphere...may be
892611
There are cases of two penises, or a penis and a vagina.  But I have never heard nor seen of two vaginas, or 2 penises and a vagina.  Could be a case of misidentification of organs.
370748
Don't be silly - that second one is your face.