lefty loosy righty tighty 

lefty loosy righty tighty is the oppisite of righty tighty lefty loosy you tun left to tighten and right to loosen propane cylinders and fittings often use left handed threads

i was trying to hook up a propane tank not knowing you go lefty loosy righty tighty i finally figured it out and got the propane tank hooked up

lefty loosy righty tighty by bluebear December 18, 2021

Tighter than a clam with lockjaw 

firmly fixed in place

This motor is locked up tighter than a clam with lockjaw

Tighter than a clam with lockjaw by Gimpler June 1, 2010

righty tighty lefty loosy 

Refers to threads on a screw, nut, bolt, etc. To tighten, you turn to the right (clockwise). To loosen, you turn toward the left (counter clockwise). A few exceptions exist, notably old propane cylinders and some pipe fittings.

"How do I get this screw out?"
"Righty tighty lefty loosy!"

righty tighty lefty loosy by Okie Dokie December 10, 2005

Tighter than a Cat's Ass 

Intensely tight to the point that entry seems impossible

"Due to the visit of a foreign dignitary, the police had the city locked down tighter than a Cat's ass!

Tighter than a Cat's Ass by Mr. Jameson September 14, 2010

Whitey Tighty Pant Lift 

When you have a roommate that just won’t shut up so you take their whitey tighties and lift them over the back of their head

I’m totally going to whitey tighty pant lift my roommate if he doesn’t stop talking.

Whitey Tighty Pant Lift by Dookiepoopy August 19, 2021

Tighnari 

BARKABRAKRNA ARWOOO ARFFRRFAER BARARBAKRA AWOOOGAAAA BRAKRA REHNIEFNAIFHNE

Hey did you hear about tighnari? he just came out

BARKNREABRAKBRAKRBAKRN AWOOGA HE IS SO FINE

Tighnari by Tighnari'sFatPP September 4, 2022

Tigtre 

Someone with the last name of Pitre that is obsessed with tig welding. They also wear a welding shirt day and night while assuring quality in their work. A welder like this is usually on the top of the food chain.

I need a to weld a good bead on this piece of pipe.
No worries, just call ole tigtre.

Tigtre by Jayman6969 May 19, 2017