During gay sex the 'Bottom' is the partner who received the penetration from the 'top'.
Bottom's may have other designations such as: Passive, Cole, Submissive.
In gay culture it is possible to tell which partner is a bottom by their characteristic mannerisms.
I met a Cole the other day, he was such a bottom.
Person 1: haha you’re such a bottom
Yiurz: no im not >:(
Person 1: thats not what you said last night babe
look at that bottom bitch, Seren. they are such a bottom, that when you look up "bottom" on urban dictionary, this definition pops up
Bottom also refers to ones named Julian.
"Man I wish I have a big booty bottom right now.
Dude why don't you just call Julian."
"do you wanna watch bottoms?"
"no, It's so hard to pirate!"
What cute trans does are classified to be when it comes to intimate relations.
"That adorable doe is such a bottom."