a phrase describing voluntarily trying something for the first time. Often used for experimenting with a particular substance for the first time, like alcohol or an unfamiliar drug. Also includes losing of virginity or some kind of adrenal exercise, like base jumping or skydiving. The phrase illustrates an act of either admirable courage or reckless stupidity. The context may vary.
1) Ah, we can always trust Ross to take the plunge first in the group.
2) Come on, the water is deep enough. Go on, take the plunge
3) Lads, you know how I never said I'd get into the hard stuff? Well... I took the plunge and moved onto kets.
make your neighbor lie face down on the floor with his ass cheeks spread. proceed to squirt mustard and ketchup on your penis and yell "time to wake up!!!!" then you hit the bastard on the head with an alarm clock and jump from a 10 story building and do a flying dutchman into his ass
this sexual act is performed by the male, and it is when he is on the side of a swimming pool or at the beach... so he inserts his feet into two girls vaginas and then proceeds to "plunge" into the water and uses the girls as flippers to propel himself through the water like a penguin.
i saw these two hot cunts laying out at the beach so i jammed my feet into their pussies and did the penguin plunge right into the ocean.
When it’s snowing outside, and you bury a girl head first in the snow and fuck from behind. If you and your boys want to run a train on the girl, it becomes a polar express.
James: yo bro yesterday there was a huge blizzard and I fucked my bitch outside