Okay h m once when I was like three or smth I was in a car with me my dad one of my dads friends and her daughter who's about my age and someone did smth stupid and dut us off ome of the adults said what the- and then stopped before thg eyes finished cause c h i l d r e n I without hesitation said "f**k!" The adults were trying really hard not to laugh then I leaned over and whispered to my friends daughter "I just said f**k" and they burst out laughing :P i was a dumb kid
