Inserting the penis into an orifice until it reaches quarter length, the center of pressure. AKA "just the tip"
Example 1
"Bro that sloot could only handle quarter chord!"

Example 2
Bro 1: "Did you put it in her butt?"
Bro 2: "I only got to quarter chord before she passed out."
by Brube Almighty April 9, 2014
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