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Related to tuck up: tuck away
tuck something up
to raise up some part of one's clothing and attach it temporarily. She tucked her skirt up and waded through the flooded basement. She tucked up her skirt.
tuck something up (under something)
to place or push something, such as cloth, up under something. Tuck the sheet up under the mattress when you make the bed. Tuck up the sheet under the mattress when you make the bed.
1. To put someone or something in a snug spot: The babysitter tucked the children up soundly in bed. I tucked up the horses in the barn.
2. To put something in an out-of-the-way, snug place: The cabin was tucked up among the pines. I tucked my hair up under a wool cap.
3. To draw up some body part into a tuck position: The diver tucked up her legs for a somersault. The gymnast tucked his knees up to his chest during the dismount.
4. To assume a tuck position: The flight attendants advised the passengers to tuck up for a rough landing.