Boyfriend Kisser

 is the eighteenth song in Total Drama World Tour, and it is sung primarily by Courtney of Team Amazon (with accompaniment from her teammate Heather) in The Ex-Files. It is about the anger and feelings of betrayal Courtney is experiencing after learning that her former friend Gwen kissed her ex-boyfriend Duncan behind her back.

Lyrics
Courtney: Boyfriend kisser! I thought she was my friend, But now it's time to diss her! Sure we had some fun times, But I'm not gonna miss her now! Heather: Boyfriend kisser! Courtney: You're gonna get What's coming to you If it's the last thing I ever do-oo-oo! Heather: That's right! That's right! Courtney and Heather: That's right! That's right! Courtney: Let's go a little back! We captured Duncan in a sack. Heather: And had a laugh attack When you stretched me on the rack! Courtney: All those times you made me smile, You wanted my man All the while! Sierra: Duh! It was so obvious. Courtney and Heather: Boyfriend kisser! Courtney: You're not my new sister! ''You're a pus-y, gothy, nasty blister! Oh!'' Heather: Boyfriend kisser! Courtney and Heather: You're gonna get what's coming to you! Courtney: If it's the last thing I ever do-oo-oo!

Trivia

 * This song is sung by Courtney and Heather.
 * This is the fourth time Courtney starts a song, the others being Come Fly With Us, Before We Die, and What's Not to Love?.
 * This is the second song sung by only Team Amazon.
 * The first was Gypsy Rap.
 * This is the first time Courtney has sung in a Team Amazon only song.
 * At certain points of the song, Courtney and Heather are seen wearing military-style peaked caps.
 * They are also seen in a military base with several blueprints, a reference to the fact that they are currently in the government-protected Area 51.
 * This is the second song that had to do with Gwen and Duncan's kiss, the first being Greek Mix.
 * This is the second song in a row to deal with the Courtney-Gwen-Duncan Love Triangle.
 * The candy that Cody throws into the mines is the candy Team Amazon earned in Broadway, Baby!
 * This is the third song to use a different style of animation.
 * Gwen, Cody and Sierra all did not sing, but were not eliminated.
 * However, Sierra did have a speaking part.
 * Regardless, it would be odd for Gwen to have a singing part in a song that is aimed toward her in a negative manner, but it still could've been done.
 * In the background of when Courtney was singing, "I'm not gonna miss her now", there was a map of the earth with a dot landing around or near Ottawa, Canada.