What happens when a guy puts on his boxer shorts backwards. The error is compounded when he fails to notice the error until he unzips his pants to piss after waiting until the very last minute to go, usually resulting in an embarrassing "accident ".
Todd: Why are you holding your backpack over your crotch?
Bill: I pissed my pants, man!
Todd: WTF!
Bill: Boxer Blunder dude.
by OneStarGator September 20, 2017
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When you're jerking off (or flicking the bean) and your "finish" is so extreme that you shit yourself.
"damn I was jerking it so hard last night I accidentally blunder pooped in my bed"
by Just some guy 183691 December 20, 2016
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This one is simple, it is when a cat mistakes your boner for a mouse so it jumps and attacks it ferociously until it bleeds.
1. Hey Steve, my cat did a Bobcat Boner Blunder to me last night

2. I hate it when Max does a Bobcat Boner Blunder to me, it stings.. but I kinda like it
by Soggy sack December 18, 2017
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A reward despite mistakes or poor performance that makes someone or something appear undeserving
I can’t believe management is still giving Kyle the best leads after he fumbled that corporate sale last week. It’s total blunder biscuits.
by SugarSmacks! July 20, 2023
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