You mention something that you are serious about, but don't ever follow through with it.
Dad: Lets go to on vacation (completely serious tone)
Daughter: OK WHERE!?
Dad: Las Vegas
Daughter: when?
Dad: maybe next year
...3 years later...
Daughter: You are a Mentional Liar!! For the last 3 years you said that we could go to Vegas!
by Crazy Kim May 13, 2010
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when someone constantly brings up a crush/significant other in conversation. usually at the start of a new relationship.

more prevalent in females. usually most severe when in small groups made up of friends of the same sex.
friend 1: "i'll have a bud light."
friend 2: "oh, that's john's favorite beer, too!"
friend 1: "you've got a severe case of the mentions!"
friend 2: "i'm sorry! he's just so wonderful. i can't stop thinking about him!"
by Catherine M. November 4, 2007
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someone who's soo great at something that they dont get a prize they get honorable mention because theyre that amazing :)
person 1- Oh, hey did you hear on the announcements dan go honorable mention?

person 2- no way dans the man

person 1- yeah thats such a rare accomplishment!

person 2- i wish i was dan
by b'nanacoolio November 13, 2010
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MM a.k.a Mention Monday is the new craze on twitter. This will not replace but add to FF a.k.a follow friday. This is to let your fellow tweeps about awesome people to follow. Can be for those who may have missed out on Follow Friday. Also used for people you may have met over the weekend.
1)
Tom: Hey man
Rob: WTF!? why didn't you FF me?
Tom: dude, dont worry ill just MM you

2)

Rob: Oi, have you heard of Mention Monday
Tom: Nah, What is it?
Rob: this awesome new thing thats like Follow Friday but better!!!
by Duggs123 June 7, 2010
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another word for last place in a contest or race, also used for a position very near last place. it is often used by the family and friends of the "mentioned" as they congratulate his/her effort
Example 1
Person 1: "Poor Stan recieved an honorable mention in the local marathon."
Person 2: "Really? He was running all around the neighborhood for the past month in his new Addidas clothes..."

Example 2
Person: "Mary! How did that chili competition go?"
Mary: "I did pretty well, the judges seemed to love it, and I recieved an honorable mention."
by Sprocket33 February 24, 2010
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When someone mentions that your gonna die or get killed.
Die-mention:

1: Your doctor says you have only 48 hours to live.

2: Your momma says that she'll kill you if you don't clean your room or obey her.
by Toes (aka Towz) August 12, 2007
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To say something not meant to be said in polite company, thereby committing a serious faux pas. To say something politically incorrect. From the arch-villain of the Harry Potter series, whose name is not supposed to be mentioned in civil wizarding company.
I was only talking about how we need animal protein in our meals ... did I mention Voldemort there?
by Fearman August 3, 2007
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