https://twitter.com/grifdail/status/1448257785016225798

ClieckEffect.cs

using System.Collections;
using UnityEngine;
using UnityEngine.EventSystems;

public class ClickEffect : MonoBehaviour, IPointerClickHandler
{
    public float RotationMax = 10;
    public float DropMax = 10;
    public float Duration = 0.2f;

    private Vector3 _origin;

    public void OnPointerClick(PointerEventData eventData)
    {
        var mouse = transform.InverseTransformPoint(eventData.position);
        var rect = (transform as RectTransform).rect;
        var deltaX = mouse.x - rect.center.x;
        var deltaXDistance = deltaX / rect.width * 0.5f;
        var angle = -deltaXDistance * RotationMax;
        var changeY = (1 - Mathf.Abs(deltaXDistance)) * DropMax;

        StartCoroutine(AnimateCoroutine(changeY, angle, Duration));
    }

    // Start is called before the first frame update
    void Start()
    {
        _origin = transform.localPosition;
    }

    // Update is called once per frame
    IEnumerator AnimateCoroutine(float drop, float angle, float duration)
    {
        float timer = 0;
        do
        {
            Debug.Log(angle);
            float t = timer / duration;
            transform.localPosition = Vector3.Lerp(_origin + Vector3.down * drop, _origin, t);
            transform.localRotation = Quaternion.Euler(0, 0, Mathf.Lerp(angle, 0, t));
            yield return null;
        } while ((timer += Time.deltaTime) < duration);
        transform.localPosition = _origin;
        transform.localRotation = Quaternion.Euler(0, 0, 0);
    }
}