The secret mobile telephone you utilize for porn viewing pleasure. Typically this phone has a larger screen with sticky smudge marks across the screen.
"Man its a good thing my I use incognito mode on my bonerphone, my girlfriend would be horrified knowing what I watch to beat off"
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."
When your boner is so strong and hard it rips through your undies and pants. Mostly common in extremely strong people like Chuck Norris, and other individuals with rock hard cocks with strength stronger than most men.
"Dude, so that hot teacher Jessica was teaching class today on Sexual Health and I was so hard I had a bonerbreak and everyone saw my rock hard cock"
"Well, I think boner is another word for mistake, like 'I made a big boner in math class' so maybe Boner Doner means 'I donate mistakes.'" - Hubie's Mom