The term monkey's uncle, most notably seen in the idiom "(Well,) I'll be a monkey's uncle", is used to express complete surprise, amazement or disbelief.
John: "Jessica broke up with Tommy can you belive that"
When someone explains a family related event with a lot of excitement but the other person doesnt really get the complicated family relations. who was the auntie, uncle cousin,nephew etc etc??
a phrase by timon in The Lion King when Timon fails to understand that simba has returned to challenge Scar.
sara: Im sorry which uncle was it? Thats alota family crap and im kinda in the monkey's his uncle moment.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.