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1.
when having anal sex with a girl and she defecates on the penis while it's inserted into the anus.
i was fucking this girl in asshole so hard she started back tracking on my dick.
by mitchel. February 04, 2009
 
2.
When on the computer, you type so fast to someone that when you make a mistake, you instead skip ahead of it and then hold down backspacing instead of pressing the left arrow key
Jim: Why do you type slower than usual?

Bob: Sorry I keep backtracking
by Epicsaur February 10, 2010
 
3.
not adding any notches to your belt, but not getting any better. backtracker-the anal cavity.
you cannot be a skank if you are just backtracking.

I backtracked last night-can't shit straight but at least I slept with one less dude.
by rowdy in ri July 03, 2009