Definition 1: its means to be unknowingly tricked often times resulting in a beneficial outcome.

Definition 2: being misinformed or unaware of key facts regarding a specific situation, resulting in a feeling of being tricked or trunked

ex. Tommy is a rapper. Tommy performed for free, however he performed in front of key people that could benefit his music career. Tommy was trunked.

Origin: Young Jeezy- Imma do me Remix Fast Forward to 0:48 until 1:03