an item of clothing (usually a long sleeve shirt or a sweater) that covers one's bottom, when you are feeling insecure about it's size. Example: these jeans are tight in the bottom, can i borrow a sweater, so that i can use it as a booty blocker
BOOTY BLOCKER
Meaning of BOOTY BLOCKER in English
Slang English vocab. Английский сленговый словарь. 2012