So I have a funny story about being drunk, from last weekend

I live in a frat and we hosted a party. I was assigned to door duty from 11-12, prime time.

So me and this guy from Bama are chilling outside with the security guards, and I make sure noone's passed out/dying in our parking lot. Come back, walk up the steps to the house, and get that little tickle in my throat, that little "give me something to drink" urge. I can't resist.

I whip out my flask, raise it to my lips and am blinded by a flashlight.

Two cops must have WALKED (pretty strange in hilly Ithaca, they're almost always in cars) RIGHT UP BEHIND ME. And I'm standing there with the flask to my lips, caught dead.

The head cop asks me, "Do you have ID?"

I say, "Er.. it's upstairs" Trying to buy time and maybe an opportunity to get away.

"What's in the flask?"
"Bacardi Watermelon." No point in lying, he's going to find out anyhow.
"You live here?"
"Yes."
"You guys serving hard drinks in there?" (A big no-no for on campus houses)
"No. This is my own."
"You 21?"
"....No."
"Let me see your ID."
I hand it to him.
"You lied to me?"
"Huh?"
"You told me your ID was inside."
"Officer, what did you really think I was going to say? That's like a natural defense reaction."
"This hurts me." He says as he pours out my flask. The other cop is writing me a ticket.
"Can you at least let me keep the flask? It was a gift from a friend."
"Hell... why not"