2 definitions by Natty Bumco

When a male, ages 13-33, sits in a tub with only the head of his dick petruding from the water proceeds to rip off the wings of a common housefly and then allows the fly to run around on " mushroom island". For ages 34+ its known as the Castaway, or Mr. Wilson.
I was using the bathroom at wes' house when i noticed the pile of fly wings next to the tub, i felt compelled to confront him on his addiction to the mexican fly.

Paulsen got caught by his wife in the middle of a mr. wilson. Water went everywhere.
by Natty Bumco July 10, 2006
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When a male, ages 13-33, sits in a tub with only the head of his dick petruding from the water proceeds to rip off the wings of a common housefly and then allows the fly to run around on " mushroom island". For ages 34+ its known as the Castaway, or Mr. Wilson.
I was using the bathroom at wes' house when i noticed the pile of fly wings next to the tub, i felt compelled to confront him on his addiction to the mexican fly.

Paulsen got caught by his wife in the middle of a mr. wilson. Water went everywhere.
by Natty Bumco July 11, 2006
Get the mexican fly mug.