Mexican Wet Willy 

The act of giving a regular wet willy but instead of saliva, you stick your finger up your nose and then in the victim's ear.

Wow! Frank just gave Cassie a Mexican wet willy... He's been sick all week.

Mexican Wet Willy by Aaron The Terrible May 14, 2018

Mexican Wet Willy 

When you finger someone after eating spicy food with your hands.

“Damn, Adam gave me a Mexican Wet Willy last night after we ate mango habanero wings. I had to douche with ranch to cool down.”

Mexican Wet Willy by SaraMrk June 25, 2021