That kid that never really does his work in school and spends of his time talking about anything and everything and making people laugh.
Person 1: Oh My God! xD He is SOOO Lachlan! 
Person 2: Yeah I know, he nevers does his work but fuck he is funny lol
Person 2: Yeah I know, he nevers does his work but fuck he is funny lol
by The Real Definition Not A bastard :K January 11, 2009
 Get the lachlanmug.
Get the lachlanmug. omg is that lachlan? he is daddy material af
by mynackmybacklickmy August 19, 2017
 Get the lachlanmug.
Get the lachlanmug. by Kyle345 November 16, 2016
 Get the lachlanmug.
Get the lachlanmug. by L337 H4X0R March 15, 2003
 Get the lachlanmug.
Get the lachlanmug. Someone with a big Dick.
Girl: damn lachlan thats a big dick
Person 1: do you see that lump in lachlans pants
Person 2: i know it's massive
Person 1: do you see that lump in lachlans pants
Person 2: i know it's massive
by Deez nuts ha got him December 1, 2020
 Get the lachlanmug.
Get the lachlanmug. by GArruigfdhhs October 4, 2017
 Get the lachlanmug.
Get the lachlanmug. 