While performing submarining,one takes the legs of one's partner and splays them out at 180 degrees and holds them with the hands in order to get a better thrust and ease penetration of the head.
"So while I was submarining your mom,we spread her out wide and then I was periscoping her properly"
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug