Top Definition
To secretly engage in sexual activities with a female companion without telling a single soul. Publicly, this relationship is known as the friend zone, but in private said "Sleuth" tears that main vein up.
I know Will is Sleuthin' It . We went to pick him up from the Main Vein's house yesterday, and as he was walking out of the driveway he was still putting his clothes on.
by DenyTilYouDie February 04, 2009

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To secretly engage in sexual activities with a female companion without telling a single soul. Publicly, this relationship is known as the friend zone, but in private said "Sleuth" tears that main vein up.
I know Will is Sleuthin' It . We went to pick him up from the Main Vein's house yesterday, and as he was walking out of the driveway he was still putting his clothes on.
by DenyTilYouDie February 04, 2009

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