whereupon a man/woman providing oral sex for his/her male partner blows down into his penile shaft creating an air bubble within the urethra.
Heterosexual Version:
-"Bro how was your night with tiffany?"

-"Hella bad bro, she gave me a space kiss and I spent like 3 hours trying to push it out."

-"Bummer bro."

Homosexual Version:

-"Bro how was your night with timothy?"

-"Hella bad bro, he gave me a space kiss and I spent like 3 hours trying to push it out."

-"Bummer bro."
by reibreadzz March 29, 2011
Get the space kiss mug.