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
Manish	-	Indian, Hindi, Marathi, Bengali, Malayalam, Punjabi, Tamil, Nepali
Mohan	-	Indian, Hindi, Marathi, Kannada, Tamil, Telugu, Malayalam
Aspling	['æspliŋ]
Hawthorne	['hɔ:θɔ:n]
Raginmund	-	Ancient Germanic
Afanen	a-VAN-en	Welsh (Rare)