When someone constantly over-exaggerates stories as an attempt of social benefit. Unfortunately it usually backfires with listener end up shaking their heads in disbelief.
“Not only did my dad put a V8 engine in his Mini moke, we went to a water park too.”
“Oh really? that’s crazy how an engine would fit inside such a small car”
“Yeah it’s pretty great, we drove over to the skate park in it and decided to take it up a ramp and we got air”
“Right… you’re obviously BS Warding.”