Social context: Meet (as in see again/ or for the first time) a person who you don't really appreciate being with, and getting stuck with him/ her.
Jonathan, Mark and Darriel are waking towards the balcony in a party. On the way, Darriel is spotted by her high-school colleague, who is a nerd (while Darriel is really cool) and she HAS to talk to her for a while.
Once in the balcony, Mark says:
- Hey, where is Darriel??
Jonathan: She got sidetracked!
When one or one's gf/bf starts talking about other guys/girls excessively/obsessively. Also when they get very interested in other people.
Rox (Mer's gf): *talks about "cute kid in math"*
Mer (Rox's bf): you should take pictures of him and show me exactly how "cute" he is.
Rox: atleast I'd have pics of him
Mer: wait what? you never said anything like that about having pics of me.
Rox: sorry I got sidetracked!
Mer: SIDETRACKED! SIDETRACKED?!
The ultimate expression of "What the fuck", this word is to be used only in the most extreme of situations. Brutal overuse of this term could lead to a tear in the fabric of the universe, causing reality to fall apart at an abstraction rate of 7.59 Cuils per second. Please be very careful with the word you have just read. The power of the cosmos rests in your hands.
John Watson: Holmes, I do believe this was not a murder, but in fact a suicide.
Sherlock Holmes: What the frick frack diddily dack patty wack snick snack crack pack slack mack quarterback crackerjack biofeedback backtrack thumbtack sidetrack tic-tac is this shit Universe: *collapses*
Watson: dammit Holmes