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1.
A common phrase, that if added to the end of any simple sentance, can make it sound dirty.
I'm gonna go scuba diving tonight, if you know what I mean.

I'm gonna make the bed, if you know what I mean.

We paid the bills the other day, if you know what I mean.
by Samantha May 09, 2004
 
2.
Added to the end of a sentence to make it sound dirty ... hinting towards a possible sexual meaning.
John - Dude you got an A in calculus!!!
Mike - Yeah its the result of some one on one tutoring with Ms Claudia if you know what I mean
by asawer March 11, 2005
 
3.
way to make a statement "dirty"
i want to be alone by myself tonight, if you know what i mean
by tommy harkness August 01, 2003
 
4.
When added to the end of a sentence makes the reader/listener look for a second meaning.

Also used to provoke confusion when there is no second meaning.
You can add "if you know what i mean" to the end of the sentence to make the reader look for a second meaning, if you know what i mean.
by hackaralho December 31, 2010
 
5.
The new "that's what she said."

When you say something, this just makes it sound dirty.
Say anything that you think of that is dirty... then add "if you know what i mean." This makes everything funnier.
"My math homework is so hard... if you know what i mean."
"Let's go do this right now... if you know what i mean."
"That was so quick... if you know what i mean."
by lalala36 October 08, 2009
 
6.
an innuendo meaning something sexual or bad... but not
Teacher: okay give me that piece of wood right there
Student: OHHHh ill give you that piece of wood.... IF! you know what i mean

Teacher to Student: your report came up a little short....IF! you know what i mean
by zak barsuglia July 18, 2009
 
7.
a phrase; which can be added to the end of any sentence to make it sound dirty
Hey, wanna come over for a pizza, if you know what I mean. ;-)
by Robert March 27, 2004