Urban Dictionary: thumbfuck

Top definition

to insert ones thumb into the anal or vaginal orfice.

i said "thumbfuck", you dumbfuck!

by dj jazzy jeff and the fresh prints January 21, 2004

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Jul 2 Word of the Day

serotonin donor

Someone people turn to when they're sad who makes them feel better.

Dude, I was so unhappy about my girl, until I spoke to my serotonin donor who really helped me feel better

by jonfurstn1 November 27, 2009

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2

To be constantly on your phone texting or messaging non-stop.

Classmate: "Has anyone talked to her about the break up?"
Me: "Na. She's been thumb fucking her phone all day and won't talk to anyone."

by MaddHatter April 02, 2016

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