To hit on a girl using a bad chat up line or corny lines stolen from a film.
James - Yo, check out Gaz.
Ian - What's he's doing now?
James - He's totally getting his cheese on with that girl.

or

Gaz - You look so beautiful. If I could rearrange the alphabet, I'd put U and I closer to togther...
James - Get your cheese on!
by VoodooBoy February 21, 2006
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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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To get any form of sex - oral or intercourse. Mainly for men: getting your dick wet - sucked or fucked.
Yo dude, what happened with the babe you took home last night? You get your cheese wet?
by ZER21 May 14, 2021
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A saying notifying carelessness or heedless feelings. Coined by Regina George, a fictional character from the 2004 movie, Mean Girls.
"Cady: It's 40 percent. Well 48 over 120 equals X over 100 and then you cross multiply and get the value of X.
Regina George: *Confused look* Whatever, I'm getting cheese fries. "
by Tharow May 1, 2010
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an expression used when one does not care or is over a particular situation.
"OMG, there's that girl that's flirting with my boyfriend."
"Whatever, I'm getting cheese fries..you're so much hotter than her."
by jham October 15, 2007
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