When you stick your chode in the thanks giving turkey and using your own ingredients as the stuffing.
My Grandmother doesn't like the turkey trunk
The act of ejaculating in a kidnappers trunk.
My ex girlfriend Locked me in the trunk because I wouldn't get her pregnant. So I unloaded a fat "Greasy Trunk Baby" all over her stripper clothes so the tank would be empty next time she tried.
Spiking multiple splinters around your shaft while cutting a customized hole into the trunk of a tree (preferably with many splinters inside). This technique consists of inserting the splintered penis into the tree, and then severing your shaft so that it stays inside the tree so that your trunk is apart of the tree trunk.
"Some guy gave me $20 to go trunking with him."
"Imma need a dick transplant after that wild trunking session."
When two lesbians both wear strap-ons during intercourse, causing them to have anal and vaginal sex at the same time.
"stacy and I were trunking last night, BEST ORGASM EVER!!"
"that's fucking nasty... how do you do it?"
A celebration or gathering where people huddle around the trunk of a car to eat and drink. Like tailgating without the sports event. A picnic without the blanket.
After the hike we went trunking for lunch.
When one of two things happen. The first: You don an elephant mask and use the trunk to eat out someone's ass. The second: An elephant eats your ass out with its trunk.
I can't believe you let him trunk you! Did you like the trunking?
When you fuck a girl/guy with a strap-on dildo on your face
Joe:oh man Jenna was elephant trunking me all night long