A number of situations described with Tangled GIFs

When the tank is expected to know exactly when to initiate:

: We're trusting you to initiate at the right time.

: https://media.giphy.com/media/fdSJWShs4q0QU/giphy.gif

When the Support and ADC come near a bush that isn't warded, and the ADC freaks out:

https://media.giphy.com/media/mzONFmR7iljZm/giphy.gif

It later proves to be empty, and the Support reacts like so:

https://media.giphy.com/media/RnxtF1vyrlxXG/giphy.gif

When the Top-lane and Jungler can't get along:

https://media.giphy.com/media/8OoA5Mbs1rBwQ/giphy.gif

A Heartseeker Varus attempting to Tilt his opponent:

https://media.giphy.com/media/CkTr9UlrkKUyQ/giphy.gif

You're trying out a champ for the first time, and against all odds, end up winning:

https://media.giphy.com/media/T4JkwDLC3kxCU/giphy.gif

The ADC gets fed, and taunts the enemy while the Support remains silent:

https://media.giphy.com/media/UXW5EgqpZDlvO/giphy.gif

The Jungler sacrifices themselves so the ADC and Support can escape a failed gank:

https://media.giphy.com/media/kggxOKRIsZ0yI/giphy.gif

The ADC gives the Support the A-OK to use their Relic Shield to last-hit minions:

https://media.giphy.com/media/MuSMTcDHtxEGc/giphy.gif

The ADC dies, and the Support is determined to get the kill:

https://media.giphy.com/media/Dt20Mc1qytDtC/giphy.gif

The Mid loses their tower and abandons ship:

https://media.giphy.com/media/qQK4Y4SpxBF0k/giphy.gif

I got more, but I'll stop there to avoid this becoming excessive.