makes my butt hard

“That makes my butt hard” (“making my butt hard-verb version) is an expression that can have slightly different meanings depending on the circumstance, but generally the expression is used in a positive manner. This positive expression can be used in the following ways (however not limited to what is listed):

1) Used to agree with someone.

2) Used to express attraction towards someone else.

3) Can be used to convey a general liking of something, some place, or someone.

Examples:
• These bean and cheese tacos are “making my butt hard”!
•Dude, tone it down with the cologne! You’re “making my butt hard”.
•Girl, You makes my butt hard ….no no…that’s a good thing. No…I’m not into anal play… I guess I was trying to say that you give me an erection, but didn’t want to come across as an agro alpha male.