1 definition by PotatoeTomatoe

Fastly means to go fast and quickly.
An example would be "STEPHANIE, ARE YOU DRAWING YOUR CARROT FASTLY?". Technically, fastly is not a correct/real word, it is more grammatically correct if you say "STEPHANIE, ARE YOU DRAWING YOUR CARROT FAST."
by PotatoeTomatoe June 21, 2023
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