Top Definition
Pertaining to the measurement of one's asshole.
After a vigorous session of anal sex, Bob's anus had expanded to 3 rectilinear inches.
by C.S. Lewis Jr. September 04, 2004
1 Word related to rectilinear

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.