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1.
To rhythmically drum on the buttocks of a lover or sexual partner.
"Dude man, last night I trundled this chica with a huge behind!"
by TheMarkSanford June 26, 2009
 
2.
Pooping in a sock then as a sign of camaraderie and playfulness, smacking them in the head with said poop filled sock.
Friend: so we put shaving cream on your face while sleeping last night.

Me: ooooh man you're gonna get a trundle comin to ya soon. Be on the look out bro.
by Lorenzo Guappo March 21, 2014
 
3.
A trundle is someone who you adore beyond belief (a best friend/family member) who happens to offend you greatly without meaning to do so. Someone who you want to wound without causing permanent damage.
-Hey Kat, don't you have mono? Or was it HiV?
-What?whatwhatwhat GABIE YOU TRUNDLE
-AHHHH! I'M SO WOUNDED!!!
-But not permanently.
-Oh. You're right. Cool. Sorry.
by NickiNirvana July 12, 2013
 
4.
To have a girl sleep in your bed without having sex with her.
Slice trundled a girl last night at We-Fest
by meatdrapes2 August 08, 2011
 
5.
To plod along. to trod to trudgeDrag your feet
As Joe walked, Trevor trundled along behind him.
by MariaLyn June 11, 2007
 
6.
The area under the chin before the neck. It is very sensitive and a very sensual place to touch.
She touched my trundle last night. I wish I had shaved.
by msu29 June 24, 2011
 
7.
1) When a fat person barges (or trundles) through a crowd of people.
2) When a fat person tries to move quickly in a given direction. A cross between a waddle and a trudge.
Watch Fat Sallie trundle through the line of people to the buffet!
by blaa91 April 14, 2008