Meaning: Crush something until it becomes a paste
Example: He MASHED UP some bananas for the dessert.
Meaning: Mix sources of audio, video or other computer sources.
Example: She MASHED UP the songs into a single track.
Meaning: Break or damage
Example: He MASHED UP my MP3 player and lost my files.
We have 1 phrasal verbs with 'MASH'