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2.
Describing the weather as being cold.
It's nipplacious outside. You'd better put on a jacket.
by CBassetti June 01, 2006
2 1
 
1.
*Adjetive* The scientific term describing when the temperature drops, causing your nipples to harden.

Omar "Wow, its only 32 degrees in here"
Hallie "I know, it's downright nipplacious!"
by Hallie Beth 1983 June 05, 2006
12 6