This study investigates the effects of conceptual metaphors on Turkish EFL learners' acquisition of phrasal verbs. The participants were 120 beginner, elementary, and pre-intermediate level students. The research follows a pre and post-test quasi-experimental research design. The students were assigned to proficiency levels according to their Michigan Placement Test scores. A phrasal verb completion test was used as the measurement instrument of the study. With regard to their proficiency levels, students were divided into control and experimental groups. The experimental group received cognitive linguistics inspired phrasal verb teaching (conceptual metaphors) while the control group was provided only traditional memorization method. Three paired samples t-tests were run in order to investigate the effects of conceptual metaphors in proficiency levels. In addition, a 2X3 MANOVA was conducted to investigate whether the method (traditional and conceptual metaphors) and proficiency level (beginner, elementary, pre-intermediate) have an effect on completion test of phrasal verbs (as measured by exposed and unexposed phrasal verbs). This study found evidence that conceptual metaphors have positive effects on the learning of phrasal verbs.