barracks rat

girl who searches barracks looking partners with whom to engage in adult activities

That girl is a barracks rat, she's given head to everyone in my barracks.

To smell a rat

When something looks suspicious or doubtful

When he was talking about how big was his penis, I began to smell a rat...

c-rats

Short for "combat rations".

"Snake, lookit your rations! You will not be able to use frozen C-rats!"
-Colonel Campbell in MGS, if you contact frequency 140.85 while equipped with frozen rations

Rats ass

What you give when you're all out of fucks to give

I don't give a rats ass

wedge rat

A person who rarely bathes and hangs out in The Wedge on Friday nights. Other than that, they can usually be found in the octawedge in the campus center.

I can smell that wedge rat from across the room!

lax rat

Those whose life is consumed by lacrosse or lax. There many levels to becoming a lax rat.

1. Mini Laxers

2. One Hand Laxer (cause you can only go with one hand)

3. Extreme Laxer

4. Sweet Lax Laxer

5. LAX RAT

Greg Cohen and Mike Powell are lax rats. John Gagliardi is not.

barking rat

Same as rat dog; a small, usually noisy dog typically weighing less than 10 to 15 pounds. Often capitalized Barking Rat.

Britney: "Oh, how cute! A Mexican Barking Rat!"
Rachel: "No, it's a Chihuahua"
Britney: "Like I said..."