thinking cap 

another synonym for a person's brain

use your thinking cap first, before doing something retargerous

thinking cap by Uncle Dimma May 4, 2015

Thinking Cap 

Condom

Time to put on my thinking cap.

Thinking Cap by RichardInTheBox January 26, 2012

Thinking-Cap

When your dumb ass is so dumb that you need to wear a helmet when doing normal activities such as riding the short bus or sleeping. Also, randomly dropping face first out of nowhere may be a side effect.

Dave's dumb ass fell straight out of his chair the other night and ate carpet, luckily he was wearing his thinking-cap.

Thinking-Cap by Sloth Fucker October 7, 2013

The Thinking Cap 

When a man stands behind someone kneeling down and surprisingly tries to stretch his sac over their head. If done correctly the image will portray a skin covered shower cap with 2 small brains in it

Two brains are better than one....so let me give you The Thinking Cap

The Thinking Cap by Ason J Nderson A May 15, 2010

Year 7 Thinking Caps

The phrase "Year 7 Thinking Caps" signifies the importance to reflect back onto your Year 7 self and think like a Year 7. This phrase is normally used by the Math Teacher G.O.A.T, Pak.

Oh this question, make sure to use your Year 7 Thinking Caps, how would a Year 7 do this?

Year 7 Thinking Caps by pakyuenrespecter December 13, 2021

Thonking cap 

For thonking

James was Thonking cap about nothing

Thonking cap by Red0ak March 11, 2020

thinkingception 

When someone asks "Are you thinking what I'm thinking?" Then your thinking what they are thinking and they are thinking what you are thinking which makes you think what they are thinking and so forth

Person 1:"Are you thinking what I'm thinking?"
Person 2:" ......"

Person 3:"Woa you made me have a thinkingception"

thinkingception by Alice & Malice June 17, 2014