drain the main vein

vulgar slang Of a male, to urinate (where "main vein" is slang for the penis). Will you order us another round of drinks? I'm just going to go drain the main vein real quick.

Common Names:

Name	Pronounced	Usage
Jasmine	JAZ-min (English), zhas-MEEN (French)	English, French
Sacheverell	sə-SHEV-ər-əl	English (Rare)
SÉVÉRine	-	French
CustÓDio	-	Portuguese
Barrett	['bærət]
Candace	KAN-dis (English), kan-DAY-see (English), KAN-də-see (English)	English, Biblical, Biblical Latin