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1.
the act of going "all natural" unshowered or unkempt through your day. Usually occurs the morning after going out or staying up late and wearing a little extra cologne or perfume to cover up your scent.
Male: Wow, you look really good today, you smell great too(empty compliment)

Female: Thanks, i woke up late and had to go shender this morning.
by nabeelio May 10, 2008
 
2.
fun and awesome. always positive. possessing and giving off a highly contagious energy and spirit that can transcend any emotion.
When I saw that energetic and shender woman, she lit up the room and I immediately perked up.
by imacav May 31, 2008