To convince someone for a plan under the pretext of being there, having no intention of actually showing up/being a part of the plan.

To tinder plans without letting people know that you are tindering.
I am here and so are you. Did he just gattu on us?
I booked my tickets to the hills but did he just gattu on me?
Let's Gattu them up.
by Princess Lit June 21, 2018
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When 2 ppl with the start of 2 names come together with a lot of love. But they eventually; usually cannot be together.
Awww...They are so cute and Gattued.
Or

They don't realise but they are Gattued.
by heaventil March 18, 2018
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Animated show about two gay lovers, Gattu and Battu. Might be hentai but i'll have to check.
by YoshiPilot December 18, 2017
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A super sexy, jacked Indian who gets all the girls. Short at the moment but is a grower (in both ways). He is also typically very nice, charming, and funny.
Tarun: OMG did you see that guy over there?

Rohit: Yeah! He is such an Ishaan Gattu!
by ILoveIshaan February 26, 2022
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