To playfully touch someone on the nose (or other body part) with affectionate or mischievous intentions.
Rob: Hey handsome. Boop!
Tyler: Stahhhp
Rob: Big hugs.

——
Tyler: Rant
Rob: Boop!
Tyler: {throat punch}
by hokiee July 30, 2018
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when one's titty falls out of one's shirt without one's knowledge
Oh shit, you can totally see her nipple! BOOPS!
by lexsicca January 23, 2009
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A male or female person who is used for their money, similar to a sugerdaddy/sugar mamma . This person spends money, buys gifts, expensive dinners for a person whom is using them for their finances.
Kayden was my old boops he bought me Louis V every other day, and gave me racks on racks on racks
by Goldenbones October 05, 2014
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The sound effect used to delineate that someone has just said something utterly stupid. Derived from the sound an answering machine makes, thus indicating nobody is home.
Person 1: Hey, what country is China in?
Person 2: Boop!
by Therese Ascent March 23, 2008
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Something people say after accidentally touching a woman's boob.

Can also be used when a woman accidentally exposes one or more of her boobs.
by Trumpetguy July 17, 2017
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A conversation starter through social media i.e. When you want to reconnect with someone you haven't spoken to in a while and you have no topic to talk about, so anything you say will be random.
Guy: Boop!

Girl: Oh hey guy! That was kinda random! How ya been :D

Guy: Not bad, not bad...
by sxetano October 18, 2012
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A word used at the end of a video made by famous youtuber Toby Turner aka Tobuscus.
"Peace off! Ba da do do do do do do do Subscribe! Boop!"
by AllThingsBuscus January 05, 2012
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