Literally means "a tiny or tight vagina." Can also refer to a coward (i.e. a little pussy), a foreigner from the Middle East (derogatory), or someone with a very clean room.
Example 1:
Gynecologist 1: Wow! She has such a tiny vagina!
Gynecologist 2: Yeah, it's definitely a nanogine. She must do kegels once a day.
Example 2:
Guy: Stop being such a nanogine and drink the Robitussin...
Example 3:
Racist: That dirty nanogine needs to go back to wherever he came from. I bet he's one of those damn terrorists.
Example 4:
Johnny: I cleaned my room! Can I go over to Mike's house?
Mom: Sure honey! It makes me so proud that you're such a good little nanogine!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."