What does ESA mean?
European Space Agency
Other definitions of ESA:
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How to use the term ESA:
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More slang terms:

Definition
The act of defining, or of making something definite or clear. We do that with slang on this website. Let us know the slang we're missing!

MSMD
Monkey See Monkey Do

WOTD
Workout of the day

DHLY
does he like you