The response you say to someone who chastises you for not being early or on time. The first mouse gets killed in the trap leaving the cheese for the second mouse.
You are late getting to the box office to buy tickets for a concert and the guy who has been waiting in line for hours tells you, "Dude, the early bird gets the worm!" You respond by saying, "Yeah, but the second mouse gets the cheese."
by AC137 October 4, 2009
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an expression you say when the first mouse and the second mouse get into a fight. The third mouse waits until the fight is over to get the cheese from the winner.
"Wow, Alex. Those guys really fucked us hard in Snobby Shores. I guess the third mouse always does get the cheese!."

"Those guys sucked but the third mouse gets the cheese"
by Third Mouse October 7, 2019
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Contrary to popular belief, mice really aren't all that crazy about cheese. Sure, they might eat it if there's nothing else around -- a hungry mouse can't be too picky -- but it's far from his favorite food.

If you happen to have a pet mouse, keep in mind that feeding him cheese could even be harmful as cheese is not a natural part of the mouse diet. Stick to fresh fruits and veggies along with high quality mouse pellets to maximize nutrition, with a few sweets and grains thrown in as an occasional treat.
This mouse cheese in the trap is sure to catch no mice
by 123blip June 18, 2018
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Mouse cheese is similar to dick cheese, except from a vagina, generally caused by a yeast infection. Alternately, it is another term for mousetrap cheese or tasteless cheese of questionable quality (although mice don't even really like cheese that much).

Both of these cheeses are decidedly NOT good eats, so don't ya put it in your mouth.
Mika: I wanted to go down on her but all I found was mouse cheese
or...
Ika: That grilled cheese was nasty! It must have been made with mouse cheese.
by Shay Dee June 20, 2018
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