Yalancı translates to "liar". It's a direct and emotionally charged word that stands out in the lyrics, conveying betrayal and hurt.
In the song, the artist repeatedly uses "yalancı" to directly address the person who has caused them pain, emphasizing their deceit. This raw accusation makes it a powerful and memorable word that captures the song's central theme of heartbreak and betrayal.
ENES 61 puts the hook first and sings it three times before a verse ever arrives, so the whole song is framed by one moment: "Geceleri uyuyamadım baktım" (At night I couldn't sleep, I looked) and then "Yoksun yanımda" (You are not by my side). It is a small, domestic kind of grief. He is not describing a breakup in the abstract, he is describing rolling over at two in the morning and checking.
The verses fill in what happened, and they get blunt about blame. "Birden olduk iki yabancı" (Suddenly we became two strangers) does the most work, because "birden" means the change came with no warning. He waits at the window in "Yine gözlerim pencerede" (My eyes are on the window again), asks "Nerde kaldın" (Where have you been), then stops being polite: "Sebep oldun sensin yalancı" (You caused it, you are the liar). Turkish usually drops its pronouns, so the extra "sen" and "sensin" in those closing lines land like someone pointing across a room.