twin - san - i- ty
-noun
1. a derangement of mind prevalent among mothers of twins, caused by prolonged sleep deprivation and extreme levels of multi-tasking (ie. nursing two babies simultaneously).
2. accompanied by hair loss and inability to recall simple facts.
3. reports of IQ points being washed down the drain with each post-partum shower.
4. feelings of overwhelming happiness after experiencing moments like the following: