maghanap ng salita, tulad ng the eiffel tower:
 
1.
When two people hold hands and run their thumbs around the other persons thumb or twiddle the thumbs.
"omg! Guess wat me and Anton did last night," said Cici
" you mean..." said ary
" we had thumb sex.. In the movies!!!" cici exlaimed?
" did he use a glove?" asked ary
ayon kay Definedgirl4756 ika-07 ng Abril, 2010
 
2.
The act of using the text message feature of a cellular telephone to vividly act out sexual acts. Similar to cybersex, but pertains exclusively to the use of text messaging - does not include instant messaging or the use of a webcam.
I had thumbsex with my girlfriend in class today, and the girl sitting next to me saw my boner.
ayon kay slovaksensation ika-10 ng Hulyo, 2008