To be 100% I actually got the idea from an H-comic that was a parody of hooters called Pooters and it's both kinda funny and hot in my opinion, and it's got a small series going on. here's link to it below.
Also true, but it doesn't increase your overall thickness, so you sadly won't become really thicc or Extra Thicc from from taking junk in the trunk, unless that was your goal