look up any word, like jamflex:
1) The act of pulling both legs up into your shirt to keep warmer.

2) Usually performed by girls & children who are cold, it helps trap heat.

3) Similar to Siberian Monk Sleeving, or putting both hands into opposite sleeves.
Lil Davey: "I was soo cold today I was shirt tenting all morning!"

Josiah: "You're stupid."
by DarkJer November 06, 2011