An erratic change in behavior, usually in a good way
"he really did oosh when he saw that"
A mod taller than the average brit.
Oosh just banned Sr6fes from the twitch chat, everyone is happy now.
Something to express casual impressedness
Person1: I just broke the record for the high jump
Person2: oosh
Alternatively spelt 'Oush', Pronounced like Ew-Shh. Is a term used in low income areas of New Zealand mainly by Maori and Pacific Islanders to replace an exclamation like "Wow" usually at the beginning of a sentence, It can also be used as a thank you gesture.
"Oosh, That's a mean car Rangi my g, Is it hot?" Wiremu yells out "Nah my ko, I got mumzy to guarantor for me" Rangi replies, "Oosh mean alright, tumeke"
or
"Got a spare ciggy?" Rangi asked "Yeah g" Wiremu replies whilst handing Rangi a cigarette "Oush what a good cunt g" Rangi says thankfully
Oosh, When did that happen?
Oosh, well you shouldn’t have done that.