can i keep him? 

Usually in fandom. When a fan likes a character or actor/celebrity, they might say "Can I keep him?" implying that they wish they could take him home. Not necessarily sexual, but can be. Keep like a pet because he's cute.

I love Yoon Shi Yoon! Can I keep him?

can i keep him? by luminousmint March 19, 2014

can-shitting 

When you really have to go, so you take a crap in a can, bottle, cup, etc.

There's no gas station for miles! I'll have to try can-shitting.

can-shitting by fuckanasspls April 9, 2015

CAN THIS DUDE FUckING MOVE 

A meme in the Markiplier fandom. It started after Markiplier fans found a Tweet that a Troyler shipper posted with a photo where her view of Tyler Oakley and Troye Sivan was blocked by Markiplier. She evidently didn't know who Mark was, as the Tweet containing the picture read "CAN THIS DUDE FUckING MOVE".

Markiplier fans subsequently began posting photo edits where they put Mark, as seen in the picture from the Tweet, over famous pictures and scenes from movies, among other things. They also began simply making text posts on Tumblr and posting comments on Mark's videos that say "CAN THIS DUDE FUckING MOVE".

CAN THIS DUDE FUckING MOVE.

CAN THIS DUDE FUckING MOVE by ButTheWhat July 6, 2016

Can't even pee hole 

Trying not to laugh until you leak.

Holding yourself from peeing while laughing uncontrollably.

Having to pee but there is no bathroom in sight. Laughing so hard while the pain of peeing is distracting you.

I was on the ground trying not to peehole.

I can't even pee hole when she told me that story.

Marie was laughing so much she couldn't even pee-hole and it started to show through her pants.

Can't even pee hole by NoAdultingDoneHere May 25, 2016

can tower 

A tower or pyramid made out of empty dip cans

"Have you seen Jimmy's can tower it's getting pretty tall"

can tower by Johnny slurvine January 4, 2017

can i wear kyle 

haveing sex at ur deask

can i wear kyle

can i wear kyle by CAN I WEAR KYLE June 5, 2017

Can of Cringe 

Tessa Deal

Oh you can of cringe

Can of Cringe by Water girllll July 7, 2018