The act of checking for erections. Typically involving an evaluation of one or more cock and balls.
"Oh geez"
(Lots of gayness)
"BONER CHECK!!"
"Fag"
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When something possibly sexual happens in a game of Dungeons & Dragons and the Dungeon Master wants to see if a character will pop a boner, or, if female, simply become aroused
"I want to flirt with the elf."
"She slaps you, roll a boner check."
"I rolled a 10."
"20, You get a boner."
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