molly

US /ˈmɑː.li/
UK /ˈmɑː.li/
"molly" picture
1.

a common name for the drug MDMA, often used in tablet or crystal form

:
He was arrested for possession of molly.
The partygoers were taking molly.
2.

a small, dull-colored freshwater fish, often kept in aquariums

:
My aquarium has several colorful guppies and a few black mollies.
The molly is a popular choice for beginner aquarists due to its hardiness.