Please explain to me what this #cornstr thing about

https://image.nostr.build/623a89b2f2860563c3ba835eef547e99489dfb68d2ec9fee6130589ef0e513c7.gif#m=image%2Fgif&dim=201x360&blurhash=%5DJF%3Dq4%3Fb.8M%7BRo00SktRtQ%250o%25MwIARoWG58D*RPMwacs%24x%5B%25MWtn-%3Fdo%23%24%24t7ofD%25ofkXW%3AV%40MxM%7CRPt8o%23x%5EV%40ofRiaJ&x=c05235186029395c98af80b655a6b2e9220b7e248c095cf866db088b9456f03a