When a person is being nosey and curious/snooping around in someone else's business, they are nibbing their nose into something they shouldn't be, i.e. they are a nibbernose
Origin
Murphy Family
OMGPa is being such a nibbernose, he found the Christmas presents under the bed!
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.