Top Definition
When a male ejaculates so much and hard into a womens mouth that it spews out of her nose like a porpoise coming up for air.
last night I gave this girl a silk porpoise beacuse I had not came in like 6 months
by jp&bn March 29, 2009
5 Words related to Silk Porpoise

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.