Source: IShowSpeed
The streamer IShowSpeed performs a rapid, intricate sequence of hand gestures and finger movements directly in front of the camera against a video game background.
This clip is frequently used as a reaction to demonstrate extreme focus, skill, or 'cracked' performance levels, often to imply someone is doing something impressive or complicated.
What makes "IShowSpeed Intense Hand Gesture Performance" from IShowSpeed stick is that the expression and timing are doing more work than the words alone. Stripped from its original narrative, it became a versatile gaming meme that people use whenever they need to convey uncontrollable laughter and amusement faster than typing allows.
