memento /mi-menˈtō/

1. Something kept or given as a reminder
2. A fit of reverie (obsolete)

memento mori /mōˈrī or moˈrē/ noun (Latin)

1. Remember that you must die
2. Anything (eg a skull) to remind one of mortality

• beat one's brains out
• beat one's breast
• beat out
• be at pains
• beats
• beats me
• beat someone's brains out
• be at someone's discretion
• be at someone's throat
• beat someone to it
• beat the air
• beat the band
• beat the bounds
• beat the clock
• beat the drum
• be at the expense of
• beat the gun
• beat the hell out of
• beat the living daylights out of
• beat the pants off
• beat the rap
• beat the retreat
• beat the socks off
• beat to sticks
• beat up