Someone, who is the onesubmissive partner, whilst performing sexual intercourse - or Louis Tomlinson.
Mainly used in description of male gay coitus.
Even used as verb, "to bottom".
i. e.
A: „Did you read the new chapter?“
B: „Yeah! Can't believe Louis Tomlinson didn't bottom!“
C: „I totallythought he'd be the bottom in this relationship.“
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